1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
// This file is @generated by prost-build.
/// A card interface displayed in a Google Chat message or Google Workspace
/// Add-on.
///
/// Cards support a defined layout, interactive UI elements like buttons, and
/// rich media like images. Use cards to present detailed information,
/// gather information from users, and guide users to take a next step.
///
/// [Card builder](<https://addons.gsuite.google.com/uikit/builder>)
///
/// To learn how
/// to build cards, see the following documentation:
///
/// * For Google Chat apps, see [Design the components of a card or
///    dialog](<https://developers.google.com/workspace/chat/design-components-card-dialog>).
/// * For Google Workspace Add-ons, see [Card-based
/// interfaces](<https://developers.google.com/apps-script/add-ons/concepts/cards>).
///
/// **Example: Card message for a Google Chat app**
///
/// ![Example contact
/// card](<https://developers.google.com/workspace/chat/images/card_api_reference.png>)
///
/// To create the sample card message in Google Chat, use the following JSON:
///
/// ```
/// {
///    "cardsV2": [
///      {
///        "cardId": "unique-card-id",
///        "card": {
///          "header": {
///             "title": "Sasha",
///             "subtitle": "Software Engineer",
///             "imageUrl":
///             "<https://developers.google.com/workspace/chat/images/quickstart-app-avatar.png",>
///             "imageType": "CIRCLE",
///             "imageAltText": "Avatar for Sasha"
///           },
///           "sections": [
///             {
///               "header": "Contact Info",
///               "collapsible": true,
///               "uncollapsibleWidgetsCount": 1,
///               "widgets": [
///                 {
///                   "decoratedText": {
///                     "startIcon": {
///                       "knownIcon": "EMAIL"
///                     },
///                     "text": "sasha@example.com"
///                   }
///                 },
///                 {
///                   "decoratedText": {
///                     "startIcon": {
///                       "knownIcon": "PERSON"
///                     },
///                     "text": "<font color=\"#80e27e\">Online</font>"
///                   }
///                 },
///                 {
///                   "decoratedText": {
///                     "startIcon": {
///                       "knownIcon": "PHONE"
///                     },
///                     "text": "+1 (555) 555-1234"
///                   }
///                 },
///                 {
///                   "buttonList": {
///                     "buttons": [
///                       {
///                         "text": "Share",
///                         "onClick": {
///                          "openLink": {
///                             "url": "<https://example.com/share">
///                           }
///                         }
///                       },
///                       {
///                         "text": "Edit",
///                         "onClick": {
///                           "action": {
///                             "function": "goToView",
///                             "parameters": [
///                               {
///                                 "key": "viewType",
///                                 "value": "EDIT"
///                               }
///                             ]
///                           }
///                         }
///                       }
///                     ]
///                   }
///                 }
///               ]
///             }
///           ]
///         }
///      }
///    ]
/// }
/// ```
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Card {
    /// The header of the card. A header usually contains a leading image and a
    /// title. Headers always appear at the top of a card.
    #[prost(message, optional, tag = "1")]
    pub header: ::core::option::Option<card::CardHeader>,
    /// Contains a collection of widgets. Each section has its own, optional
    /// header. Sections are visually separated by a line divider. For an example
    /// in Google Chat apps, see [Define a section of a
    /// card](<https://developers.google.com/workspace/chat/design-components-card-dialog#define_a_section_of_a_card>).
    #[prost(message, repeated, tag = "2")]
    pub sections: ::prost::alloc::vec::Vec<card::Section>,
    /// The divider style between sections.
    #[prost(enumeration = "card::DividerStyle", tag = "9")]
    pub section_divider_style: i32,
    /// The card's actions. Actions are added to the card's toolbar menu.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    ///
    /// For example, the following JSON constructs a card action menu with
    /// `Settings` and `Send Feedback` options:
    ///
    /// ```
    /// "card_actions": [
    ///    {
    ///      "actionLabel": "Settings",
    ///      "onClick": {
    ///        "action": {
    ///          "functionName": "goToView",
    ///          "parameters": [
    ///            {
    ///              "key": "viewType",
    ///              "value": "SETTING"
    ///           }
    ///          ],
    ///          "loadIndicator": "LoadIndicator.SPINNER"
    ///        }
    ///      }
    ///    },
    ///    {
    ///      "actionLabel": "Send Feedback",
    ///      "onClick": {
    ///        "openLink": {
    ///          "url": "<https://example.com/feedback">
    ///        }
    ///      }
    ///    }
    /// ]
    /// ```
    #[prost(message, repeated, tag = "3")]
    pub card_actions: ::prost::alloc::vec::Vec<card::CardAction>,
    /// Name of the card. Used as a card identifier in card navigation.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[prost(string, tag = "4")]
    pub name: ::prost::alloc::string::String,
    /// The fixed footer shown at the bottom of this card.
    ///
    /// Setting `fixedFooter` without specifying a `primaryButton` or a
    /// `secondaryButton` causes an error. For Chat apps, you can use fixed footers
    /// in
    /// [dialogs](<https://developers.google.com/workspace/chat/dialogs>), but not
    /// [card
    /// messages](<https://developers.google.com/workspace/chat/create-messages#create>).
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[prost(message, optional, boxed, tag = "5")]
    pub fixed_footer: ::core::option::Option<
        ::prost::alloc::boxed::Box<card::CardFixedFooter>,
    >,
    /// In Google Workspace Add-ons, sets the display properties of the
    /// `peekCardHeader`.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[prost(enumeration = "card::DisplayStyle", tag = "6")]
    pub display_style: i32,
    /// When displaying contextual content, the peek card header acts as a
    /// placeholder so that the user can navigate forward between the homepage
    /// cards and the contextual cards.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[prost(message, optional, tag = "7")]
    pub peek_card_header: ::core::option::Option<card::CardHeader>,
}
/// Nested message and enum types in `Card`.
pub mod card {
    /// Represents a card header. For an example in Google Chat apps, see [Add a
    /// header](<https://developers.google.com/workspace/chat/design-components-card-dialog#add_a_header>).
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct CardHeader {
        /// Required. The title of the card header.
        /// The header has a fixed height: if both a
        /// title and subtitle are specified, each takes up one line. If only the
        /// title is specified, it takes up both lines.
        #[prost(string, tag = "1")]
        pub title: ::prost::alloc::string::String,
        /// The subtitle of the card header. If specified, appears on its own line
        /// below the `title`.
        #[prost(string, tag = "2")]
        pub subtitle: ::prost::alloc::string::String,
        /// The shape used to crop the image.
        ///
        /// [Google Workspace Add-ons and Chat
        /// apps](<https://developers.google.com/workspace/extend>):
        #[prost(enumeration = "super::widget::ImageType", tag = "3")]
        pub image_type: i32,
        /// The HTTPS URL of the image in the card header.
        #[prost(string, tag = "4")]
        pub image_url: ::prost::alloc::string::String,
        /// The alternative text of this image that's used for accessibility.
        #[prost(string, tag = "5")]
        pub image_alt_text: ::prost::alloc::string::String,
    }
    /// A section contains a collection of widgets that are rendered
    /// vertically in the order that they're specified.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct Section {
        /// Text that appears at the top of a section.
        /// Supports simple HTML formatted text. For more information
        /// about formatting text, see
        /// [Formatting text in Google Chat
        /// apps](<https://developers.google.com/workspace/chat/format-messages#card-formatting>)
        /// and
        /// [Formatting
        /// text in Google Workspace
        /// Add-ons](<https://developers.google.com/apps-script/add-ons/concepts/widgets#text_formatting>).
        #[prost(string, tag = "1")]
        pub header: ::prost::alloc::string::String,
        /// All the widgets in the section.
        /// Must contain at least one widget.
        #[prost(message, repeated, tag = "2")]
        pub widgets: ::prost::alloc::vec::Vec<super::Widget>,
        /// Indicates whether this section is collapsible.
        ///
        /// Collapsible sections hide some or all widgets, but users can expand the
        /// section to reveal the hidden widgets by clicking **Show more**. Users
        /// can hide the widgets again by clicking **Show less**.
        ///
        /// To determine which widgets are hidden, specify
        /// `uncollapsibleWidgetsCount`.
        #[prost(bool, tag = "5")]
        pub collapsible: bool,
        /// The number of uncollapsible widgets which remain visible even when a
        /// section is collapsed.
        ///
        /// For example, when a section
        /// contains five widgets and the `uncollapsibleWidgetsCount` is set to `2`,
        /// the first two widgets are always shown and the last three are collapsed
        /// by default. The `uncollapsibleWidgetsCount` is taken into account only
        /// when `collapsible` is `true`.
        #[prost(int32, tag = "6")]
        pub uncollapsible_widgets_count: i32,
    }
    /// A card action is the action associated with the card. For example,
    /// an invoice card might include actions such as delete invoice, email
    /// invoice, or open the invoice in a browser.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct CardAction {
        /// The label that displays as the action menu item.
        #[prost(string, tag = "1")]
        pub action_label: ::prost::alloc::string::String,
        /// The `onClick` action for this action item.
        #[prost(message, optional, tag = "2")]
        pub on_click: ::core::option::Option<super::OnClick>,
    }
    /// A persistent (sticky) footer that that appears at the bottom of the card.
    ///
    /// Setting `fixedFooter` without specifying a `primaryButton` or a
    /// `secondaryButton` causes an error.
    ///
    /// For Chat apps, you can use fixed footers in
    /// [dialogs](<https://developers.google.com/workspace/chat/dialogs>), but not
    /// [card
    /// messages](<https://developers.google.com/workspace/chat/create-messages#create>).
    /// For an example in Google Chat apps, see [Add a persistent
    /// footer](<https://developers.google.com/workspace/chat/design-components-card-dialog#add_a_persistent_footer>).
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct CardFixedFooter {
        /// The primary button of the fixed footer. The button must be a text button
        /// with text and color set.
        #[prost(message, optional, boxed, tag = "1")]
        pub primary_button: ::core::option::Option<
            ::prost::alloc::boxed::Box<super::Button>,
        >,
        /// The secondary button of the fixed footer.  The button must be a text
        /// button with text and color set.
        /// If `secondaryButton` is set, you must also set `primaryButton`.
        #[prost(message, optional, boxed, tag = "2")]
        pub secondary_button: ::core::option::Option<
            ::prost::alloc::boxed::Box<super::Button>,
        >,
    }
    /// The divider style of a card. Currently only used for dividers betweens card
    /// sections.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum DividerStyle {
        /// Don't use. Unspecified.
        Unspecified = 0,
        /// Default option. Render a solid divider between sections.
        SolidDivider = 1,
        /// If set, no divider is rendered between sections.
        NoDivider = 2,
    }
    impl DividerStyle {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                DividerStyle::Unspecified => "DIVIDER_STYLE_UNSPECIFIED",
                DividerStyle::SolidDivider => "SOLID_DIVIDER",
                DividerStyle::NoDivider => "NO_DIVIDER",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "DIVIDER_STYLE_UNSPECIFIED" => Some(Self::Unspecified),
                "SOLID_DIVIDER" => Some(Self::SolidDivider),
                "NO_DIVIDER" => Some(Self::NoDivider),
                _ => None,
            }
        }
    }
    /// In Google Workspace Add-ons,
    /// determines how a card is displayed.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum DisplayStyle {
        /// Don't use. Unspecified.
        Unspecified = 0,
        /// The header of the card appears at the bottom of the
        /// sidebar, partially covering the current top card of the stack. Clicking
        /// the header pops the card into the card stack. If the card has no header,
        /// a generated header is used instead.
        Peek = 1,
        /// Default value. The card is shown by replacing the view of the top card in
        /// the card stack.
        Replace = 2,
    }
    impl DisplayStyle {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                DisplayStyle::Unspecified => "DISPLAY_STYLE_UNSPECIFIED",
                DisplayStyle::Peek => "PEEK",
                DisplayStyle::Replace => "REPLACE",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "DISPLAY_STYLE_UNSPECIFIED" => Some(Self::Unspecified),
                "PEEK" => Some(Self::Peek),
                "REPLACE" => Some(Self::Replace),
                _ => None,
            }
        }
    }
}
/// Each card is made up of widgets.
///
/// A widget is a composite object that can represent one of text, images,
/// buttons, and other object types.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Widget {
    /// Specifies whether widgets align to the left, right, or center of a column.
    #[prost(enumeration = "widget::HorizontalAlignment", tag = "8")]
    pub horizontal_alignment: i32,
    /// A widget can only have one of the following items. You can use multiple
    /// widget fields to display more items.
    #[prost(oneof = "widget::Data", tags = "1, 2, 3, 4, 5, 6, 7, 9, 10, 11")]
    pub data: ::core::option::Option<widget::Data>,
}
/// Nested message and enum types in `Widget`.
pub mod widget {
    /// The shape used to crop the image.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum ImageType {
        /// Default value. Applies a square mask to the image. For example, a 4x3
        /// image becomes 3x3.
        Square = 0,
        /// Applies a circular mask to the image. For example, a 4x3 image becomes a
        /// circle with a diameter of 3.
        Circle = 1,
    }
    impl ImageType {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                ImageType::Square => "SQUARE",
                ImageType::Circle => "CIRCLE",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "SQUARE" => Some(Self::Square),
                "CIRCLE" => Some(Self::Circle),
                _ => None,
            }
        }
    }
    /// Specifies whether widgets align to the left, right, or center of a column.
    ///
    /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum HorizontalAlignment {
        /// Don't use. Unspecified.
        Unspecified = 0,
        /// Default value. Aligns widgets to the start position of the column. For
        /// left-to-right layouts, aligns to the left. For right-to-left layouts,
        /// aligns to the right.
        Start = 1,
        /// Aligns widgets to the center of the column.
        Center = 2,
        /// Aligns widgets to the end position of the column. For left-to-right
        /// layouts, aligns widgets to the right. For right-to-left layouts, aligns
        /// widgets to the left.
        End = 3,
    }
    impl HorizontalAlignment {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                HorizontalAlignment::Unspecified => "HORIZONTAL_ALIGNMENT_UNSPECIFIED",
                HorizontalAlignment::Start => "START",
                HorizontalAlignment::Center => "CENTER",
                HorizontalAlignment::End => "END",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "HORIZONTAL_ALIGNMENT_UNSPECIFIED" => Some(Self::Unspecified),
                "START" => Some(Self::Start),
                "CENTER" => Some(Self::Center),
                "END" => Some(Self::End),
                _ => None,
            }
        }
    }
    /// A widget can only have one of the following items. You can use multiple
    /// widget fields to display more items.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Data {
        /// Displays a text paragraph. Supports simple HTML formatted text. For more
        /// information about formatting text, see
        /// [Formatting text in Google Chat
        /// apps](<https://developers.google.com/workspace/chat/format-messages#card-formatting>)
        /// and
        /// [Formatting
        /// text in Google Workspace
        /// Add-ons](<https://developers.google.com/apps-script/add-ons/concepts/widgets#text_formatting>).
        ///
        /// For example, the following JSON creates a bolded text:
        /// ```
        /// "textParagraph": {
        ///    "text": "  <b>bold text</b>"
        /// }
        /// ```
        #[prost(message, tag = "1")]
        TextParagraph(super::TextParagraph),
        /// Displays an image.
        ///
        /// For example, the following JSON creates an image with alternative text:
        /// ```
        /// "image": {
        ///    "imageUrl":
        ///    "<https://developers.google.com/workspace/chat/images/quickstart-app-avatar.png",>
        ///    "altText": "Chat app avatar"
        /// }
        /// ```
        #[prost(message, tag = "2")]
        Image(super::Image),
        /// Displays a decorated text item.
        ///
        /// For example, the following JSON creates a decorated text widget showing
        /// email address:
        ///
        /// ```
        /// "decoratedText": {
        ///    "icon": {
        ///      "knownIcon": "EMAIL"
        ///    },
        ///    "topLabel": "Email Address",
        ///    "text": "sasha@example.com",
        ///    "bottomLabel": "This is a new Email address!",
        ///    "switchControl": {
        ///      "name": "has_send_welcome_email_to_sasha",
        ///      "selected": false,
        ///      "controlType": "CHECKBOX"
        ///    }
        /// }
        /// ```
        #[prost(message, tag = "3")]
        DecoratedText(super::DecoratedText),
        /// A list of buttons.
        ///
        /// For example, the following JSON creates two buttons. The first
        /// is a blue text button and the second is an image button that opens a
        /// link:
        /// ```
        /// "buttonList": {
        ///    "buttons": [
        ///      {
        ///        "text": "Edit",
        ///        "color": {
        ///          "red": 0,
        ///          "green": 0,
        ///          "blue": 1,
        ///          "alpha": 1
        ///        },
        ///        "disabled": true,
        ///      },
        ///      {
        ///        "icon": {
        ///          "knownIcon": "INVITE",
        ///          "altText": "check calendar"
        ///        },
        ///        "onClick": {
        ///          "openLink": {
        ///            "url": "<https://example.com/calendar">
        ///          }
        ///        }
        ///      }
        ///    ]
        /// }
        /// ```
        #[prost(message, tag = "4")]
        ButtonList(super::ButtonList),
        /// Displays a text box that users can type into.
        ///
        /// For example, the following JSON creates a text input for an email
        /// address:
        ///
        /// ```
        /// "textInput": {
        ///    "name": "mailing_address",
        ///    "label": "Mailing Address"
        /// }
        /// ```
        ///
        /// As another example, the following JSON creates a text input for a
        /// programming language with static suggestions:
        /// ```
        /// "textInput": {
        ///    "name": "preferred_programing_language",
        ///    "label": "Preferred Language",
        ///    "initialSuggestions": {
        ///      "items": [
        ///        {
        ///          "text": "C++"
        ///        },
        ///        {
        ///          "text": "Java"
        ///        },
        ///        {
        ///          "text": "JavaScript"
        ///        },
        ///        {
        ///          "text": "Python"
        ///        }
        ///      ]
        ///    }
        /// }
        /// ```
        #[prost(message, tag = "5")]
        TextInput(super::TextInput),
        /// Displays a selection control that lets users select items. Selection
        /// controls can be checkboxes, radio buttons, switches, or dropdown menus.
        ///
        /// For example, the following JSON creates a dropdown menu that lets users
        /// choose a size:
        ///
        /// ```
        /// "selectionInput": {
        ///    "name": "size",
        ///    "label": "Size"
        ///    "type": "DROPDOWN",
        ///    "items": [
        ///      {
        ///        "text": "S",
        ///        "value": "small",
        ///        "selected": false
        ///      },
        ///      {
        ///        "text": "M",
        ///        "value": "medium",
        ///        "selected": true
        ///      },
        ///      {
        ///        "text": "L",
        ///        "value": "large",
        ///        "selected": false
        ///      },
        ///      {
        ///        "text": "XL",
        ///        "value": "extra_large",
        ///        "selected": false
        ///      }
        ///    ]
        /// }
        /// ```
        #[prost(message, tag = "6")]
        SelectionInput(super::SelectionInput),
        /// Displays a widget that lets users input a date, time, or date and time.
        ///
        /// For example, the following JSON creates a date time picker to schedule an
        /// appointment:
        ///
        ///
        /// ```
        /// "dateTimePicker": {
        ///    "name": "appointment_time",
        ///    "label": "Book your appointment at:",
        ///    "type": "DATE_AND_TIME",
        ///    "valueMsEpoch": "796435200000"
        /// }
        /// ```
        #[prost(message, tag = "7")]
        DateTimePicker(super::DateTimePicker),
        /// Displays a horizontal line divider between widgets.
        ///
        /// For example, the following JSON creates a divider:
        /// ```
        /// "divider": {
        /// }
        /// ```
        #[prost(message, tag = "9")]
        Divider(super::Divider),
        /// Displays a grid with a collection of items.
        ///
        /// A grid supports any number of columns and items. The number of rows is
        /// determined by the upper bounds of the number items divided by the number
        /// of columns. A grid with 10 items and 2 columns has 5 rows. A grid with 11
        /// items and 2 columns has 6 rows.
        ///
        /// [Google Workspace Add-ons and
        /// Chat apps](<https://developers.google.com/workspace/extend>):
        ///
        /// For example, the following JSON creates a 2 column grid with a single
        /// item:
        ///
        /// ```
        /// "grid": {
        ///    "title": "A fine collection of items",
        ///    "columnCount": 2,
        ///    "borderStyle": {
        ///      "type": "STROKE",
        ///      "cornerRadius": 4
        ///    },
        ///    "items": [
        ///      {
        ///        "image": {
        ///          "imageUri": "<https://www.example.com/image.png",>
        ///          "cropStyle": {
        ///            "type": "SQUARE"
        ///          },
        ///          "borderStyle": {
        ///            "type": "STROKE"
        ///          }
        ///        },
        ///        "title": "An item",
        ///        "textAlignment": "CENTER"
        ///      }
        ///    ],
        ///    "onClick": {
        ///      "openLink": {
        ///        "url": "<https://www.example.com">
        ///      }
        ///    }
        /// }
        /// ```
        #[prost(message, tag = "10")]
        Grid(super::Grid),
        /// Displays up to 2 columns.
        ///
        /// To include more than 2 columns, or to use rows, use the `Grid` widget.
        ///
        /// For example, the following JSON creates 2 columns that each contain
        /// text paragraphs:
        ///
        /// ```
        /// "columns": {
        ///    "columnItems": [
        ///      {
        ///        "horizontalSizeStyle": "FILL_AVAILABLE_SPACE",
        ///        "horizontalAlignment": "CENTER",
        ///        "verticalAlignment": "CENTER",
        ///        "widgets": [
        ///          {
        ///            "textParagraph": {
        ///              "text": "First column text paragraph"
        ///            }
        ///          }
        ///        ]
        ///      },
        ///      {
        ///        "horizontalSizeStyle": "FILL_AVAILABLE_SPACE",
        ///        "horizontalAlignment": "CENTER",
        ///        "verticalAlignment": "CENTER",
        ///        "widgets": [
        ///          {
        ///            "textParagraph": {
        ///              "text": "Second column text paragraph"
        ///            }
        ///          }
        ///        ]
        ///      }
        ///    ]
        /// }
        /// ```
        #[prost(message, tag = "11")]
        Columns(super::Columns),
    }
}
/// A paragraph of text that supports formatting. For an example in
/// Google Chat apps, see [Add a paragraph of formatted
/// text](<https://developers.google.com/workspace/chat/add-text-image-card-dialog#add_a_paragraph_of_formatted_text>).
/// For more information
/// about formatting text, see
/// [Formatting text in Google Chat
/// apps](<https://developers.google.com/workspace/chat/format-messages#card-formatting>)
/// and
/// [Formatting
/// text in Google Workspace
/// Add-ons](<https://developers.google.com/apps-script/add-ons/concepts/widgets#text_formatting>).
///
/// [Google Workspace Add-ons and
/// Chat apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct TextParagraph {
    /// The text that's shown in the widget.
    #[prost(string, tag = "1")]
    pub text: ::prost::alloc::string::String,
}
/// An image that is specified by a URL and can have an `onClick` action. For an
/// example, see [Add an
/// image](<https://developers.google.com/workspace/chat/add-text-image-card-dialog#add_an_image>).
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Image {
    /// The HTTPS URL that hosts the image.
    ///
    /// For example:
    ///
    /// ```
    /// <https://developers.google.com/workspace/chat/images/quickstart-app-avatar.png>
    /// ```
    #[prost(string, tag = "1")]
    pub image_url: ::prost::alloc::string::String,
    /// When a user clicks the image, the click triggers this action.
    #[prost(message, optional, tag = "2")]
    pub on_click: ::core::option::Option<OnClick>,
    /// The alternative text of this image that's used for accessibility.
    #[prost(string, tag = "3")]
    pub alt_text: ::prost::alloc::string::String,
}
/// Displays a divider between widgets as a horizontal line. For an example in
/// Google Chat apps, see
/// [Add a horizontal divider between
/// widgets](<https://developers.google.com/workspace/chat/format-structure-card-dialog#add_a_horizontal_divider_between_widgets>).
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
///
/// For example, the following JSON creates a divider:
///
/// ```
/// "divider": {}
/// ```
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct Divider {}
/// A widget that displays text with optional decorations such as a label above
/// or below the text, an icon in front of the text, a selection widget, or a
/// button after the text. For an example in
/// Google Chat apps, see [Display text with decorative
/// text](<https://developers.google.com/workspace/chat/add-text-image-card-dialog#display_text_with_decorative_elements>).
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DecoratedText {
    /// Deprecated in favor of `startIcon`.
    #[deprecated]
    #[prost(message, optional, tag = "1")]
    pub icon: ::core::option::Option<Icon>,
    /// The icon displayed in front of the text.
    #[prost(message, optional, tag = "12")]
    pub start_icon: ::core::option::Option<Icon>,
    /// The text that appears above `text`. Always truncates.
    #[prost(string, tag = "3")]
    pub top_label: ::prost::alloc::string::String,
    /// Required. The primary text.
    ///
    /// Supports simple formatting. For more information
    /// about formatting text, see
    /// [Formatting text in Google Chat
    /// apps](<https://developers.google.com/workspace/chat/format-messages#card-formatting>)
    /// and
    /// [Formatting
    /// text in Google Workspace
    /// Add-ons](<https://developers.google.com/apps-script/add-ons/concepts/widgets#text_formatting>).
    #[prost(string, tag = "4")]
    pub text: ::prost::alloc::string::String,
    /// The wrap text setting. If `true`, the text wraps and displays on
    /// multiple lines. Otherwise, the text is truncated.
    ///
    /// Only applies to `text`, not `topLabel` and `bottomLabel`.
    #[prost(bool, tag = "5")]
    pub wrap_text: bool,
    /// The text that appears below `text`. Always wraps.
    #[prost(string, tag = "6")]
    pub bottom_label: ::prost::alloc::string::String,
    /// This action is triggered when users click `topLabel` or `bottomLabel`.
    #[prost(message, optional, tag = "7")]
    pub on_click: ::core::option::Option<OnClick>,
    /// A button, switch, checkbox, or image that appears to the right-hand side
    /// of text in the `decoratedText` widget.
    #[prost(oneof = "decorated_text::Control", tags = "8, 9, 11")]
    pub control: ::core::option::Option<decorated_text::Control>,
}
/// Nested message and enum types in `DecoratedText`.
pub mod decorated_text {
    /// Either a toggle-style switch or a checkbox inside a `decoratedText` widget.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    ///
    /// Only supported in the `decoratedText` widget.
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct SwitchControl {
        /// The name by which the switch widget is identified in a form input event.
        ///
        /// For details about working with form inputs, see [Receive form
        /// data](<https://developers.google.com/workspace/chat/read-form-data>).
        #[prost(string, tag = "1")]
        pub name: ::prost::alloc::string::String,
        /// The value entered by a user, returned as part of a form input event.
        ///
        /// For details about working with form inputs, see [Receive form
        /// data](<https://developers.google.com/workspace/chat/read-form-data>).
        #[prost(string, tag = "2")]
        pub value: ::prost::alloc::string::String,
        /// When `true`, the switch is selected.
        #[prost(bool, tag = "3")]
        pub selected: bool,
        /// The action to perform when the switch state is changed, such as what
        ///   function to run.
        #[prost(message, optional, tag = "4")]
        pub on_change_action: ::core::option::Option<super::Action>,
        /// How the switch appears in the user interface.
        ///
        /// [Google Workspace Add-ons
        /// and Chat apps](<https://developers.google.com/workspace/extend>):
        #[prost(enumeration = "switch_control::ControlType", tag = "5")]
        pub control_type: i32,
    }
    /// Nested message and enum types in `SwitchControl`.
    pub mod switch_control {
        /// How the switch appears in the user interface.
        ///
        /// [Google Workspace Add-ons
        /// and Chat apps](<https://developers.google.com/workspace/extend>):
        #[derive(
            Clone,
            Copy,
            Debug,
            PartialEq,
            Eq,
            Hash,
            PartialOrd,
            Ord,
            ::prost::Enumeration
        )]
        #[repr(i32)]
        pub enum ControlType {
            /// A toggle-style switch.
            Switch = 0,
            /// Deprecated in favor of `CHECK_BOX`.
            Checkbox = 1,
            /// A checkbox.
            CheckBox = 2,
        }
        impl ControlType {
            /// String value of the enum field names used in the ProtoBuf definition.
            ///
            /// The values are not transformed in any way and thus are considered stable
            /// (if the ProtoBuf definition does not change) and safe for programmatic use.
            pub fn as_str_name(&self) -> &'static str {
                match self {
                    ControlType::Switch => "SWITCH",
                    ControlType::Checkbox => "CHECKBOX",
                    ControlType::CheckBox => "CHECK_BOX",
                }
            }
            /// Creates an enum from field names used in the ProtoBuf definition.
            pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
                match value {
                    "SWITCH" => Some(Self::Switch),
                    "CHECKBOX" => Some(Self::Checkbox),
                    "CHECK_BOX" => Some(Self::CheckBox),
                    _ => None,
                }
            }
        }
    }
    /// A button, switch, checkbox, or image that appears to the right-hand side
    /// of text in the `decoratedText` widget.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Control {
        /// A button that a user can click to trigger an action.
        #[prost(message, tag = "8")]
        Button(super::Button),
        /// A switch widget that a user can click to change its state and trigger an
        /// action.
        #[prost(message, tag = "9")]
        SwitchControl(SwitchControl),
        /// An icon displayed after the text.
        ///
        /// Supports
        /// [built-in](<https://developers.google.com/workspace/chat/format-messages#builtinicons>)
        /// and
        /// [custom](<https://developers.google.com/workspace/chat/format-messages#customicons>)
        /// icons.
        #[prost(message, tag = "11")]
        EndIcon(super::Icon),
    }
}
/// A field in which users can enter text. Supports suggestions and on-change
/// actions. For an example in Google Chat apps, see [Add a field in which a user
/// can enter
/// text](<https://developers.google.com/workspace/chat/design-interactive-card-dialog#add_a_field_in_which_a_user_can_enter_text>).
///
/// Chat apps receive and can process the value of entered text during form input
/// events. For details about working with form inputs, see [Receive form
/// data](<https://developers.google.com/workspace/chat/read-form-data>).
///
/// When you need to collect undefined or abstract data from users,
/// use a text input. To collect defined or enumerated data from users, use the
/// [SelectionInput][google.apps.card.v1.SelectionInput] widget.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct TextInput {
    /// The name by which the text input is identified in a form input event.
    ///
    /// For details about working with form inputs, see [Receive form
    /// data](<https://developers.google.com/workspace/chat/read-form-data>).
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// The text that appears above the text input field in the user interface.
    ///
    /// Specify text that helps the user enter the information your app needs.
    /// For example, if you are asking someone's name, but specifically need their
    /// surname, write `surname` instead of `name`.
    ///
    /// Required if `hintText` is unspecified. Otherwise, optional.
    #[prost(string, tag = "2")]
    pub label: ::prost::alloc::string::String,
    /// Text that appears below the text input field meant to assist users by
    /// prompting them to enter a certain value. This text is always visible.
    ///
    /// Required if `label` is unspecified. Otherwise, optional.
    #[prost(string, tag = "3")]
    pub hint_text: ::prost::alloc::string::String,
    /// The value entered by a user, returned as part of a form input event.
    ///
    /// For details about working with form inputs, see [Receive form
    /// data](<https://developers.google.com/workspace/chat/read-form-data>).
    #[prost(string, tag = "4")]
    pub value: ::prost::alloc::string::String,
    /// How a text input field appears in the user interface.
    /// For example, whether the field is single or multi-line.
    #[prost(enumeration = "text_input::Type", tag = "5")]
    pub r#type: i32,
    /// What to do when a change occurs in the text input field. For example, a
    /// user adding to the field or deleting text.
    ///
    /// Examples of actions to take include running a custom function or opening
    /// a [dialog](<https://developers.google.com/workspace/chat/dialogs>)
    /// in Google Chat.
    #[prost(message, optional, tag = "6")]
    pub on_change_action: ::core::option::Option<Action>,
    /// Suggested values that users can enter. These values appear when users click
    /// inside the text input field. As users type, the suggested values
    /// dynamically filter to match what the users have typed.
    ///
    /// For example, a text input field for programming language might suggest
    /// Java, JavaScript, Python, and C++. When users start typing `Jav`, the list
    /// of suggestions filters to show just `Java` and `JavaScript`.
    ///
    /// Suggested values help guide users to enter values that your app can make
    /// sense of. When referring to JavaScript, some users might enter `javascript`
    /// and others `java script`. Suggesting `JavaScript` can standardize how users
    /// interact with your app.
    ///
    /// When specified, `TextInput.type` is always `SINGLE_LINE`, even if it's set
    /// to `MULTIPLE_LINE`.
    ///
    /// [Google Workspace
    /// Add-ons and Chat apps](<https://developers.google.com/workspace/extend>):
    #[prost(message, optional, tag = "7")]
    pub initial_suggestions: ::core::option::Option<Suggestions>,
    /// Optional. Specify what action to take when the text input field provides
    /// suggestions to users who interact with it.
    ///
    /// If unspecified, the suggestions are set by `initialSuggestions` and
    /// are processed by the client.
    ///
    /// If specified, the app takes the action specified here, such as running
    /// a custom function.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[prost(message, optional, tag = "8")]
    pub auto_complete_action: ::core::option::Option<Action>,
    /// Text that appears in the text input field when the field is empty.
    /// Use this text to prompt users to enter a value. For example, `Enter a
    /// number from 0 to 100`.
    ///
    /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
    #[prost(string, tag = "12")]
    pub placeholder_text: ::prost::alloc::string::String,
}
/// Nested message and enum types in `TextInput`.
pub mod text_input {
    /// How a text input field appears in the user interface. For example,
    /// whether it's a single line input field, or a multi-line input. If
    /// `initialSuggestions` is specified, `type` is always `SINGLE_LINE`,
    /// even if it's set to `MULTIPLE_LINE`.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum Type {
        /// The text input field has a fixed height of one line.
        SingleLine = 0,
        /// The text input field has a fixed height of multiple lines.
        MultipleLine = 1,
    }
    impl Type {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                Type::SingleLine => "SINGLE_LINE",
                Type::MultipleLine => "MULTIPLE_LINE",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "SINGLE_LINE" => Some(Self::SingleLine),
                "MULTIPLE_LINE" => Some(Self::MultipleLine),
                _ => None,
            }
        }
    }
}
/// Suggested values that users can enter. These values appear when users click
/// inside the text input field. As users type, the suggested values
/// dynamically filter to match what the users have typed.
///
/// For example, a text input field for programming language might suggest
/// Java, JavaScript, Python, and C++. When users start typing `Jav`, the list
/// of suggestions filters to show `Java` and `JavaScript`.
///
/// Suggested values help guide users to enter values that your app can make
/// sense of. When referring to JavaScript, some users might enter `javascript`
/// and others `java script`. Suggesting `JavaScript` can standardize how users
/// interact with your app.
///
/// When specified, `TextInput.type` is always `SINGLE_LINE`, even if it's set
/// to `MULTIPLE_LINE`.
///
/// [Google Workspace
/// Add-ons and Chat apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Suggestions {
    /// A list of suggestions used for autocomplete recommendations in text input
    /// fields.
    #[prost(message, repeated, tag = "1")]
    pub items: ::prost::alloc::vec::Vec<suggestions::SuggestionItem>,
}
/// Nested message and enum types in `Suggestions`.
pub mod suggestions {
    /// One suggested value that users can enter in a text input field.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct SuggestionItem {
        #[prost(oneof = "suggestion_item::Content", tags = "1")]
        pub content: ::core::option::Option<suggestion_item::Content>,
    }
    /// Nested message and enum types in `SuggestionItem`.
    pub mod suggestion_item {
        #[derive(Clone, PartialEq, ::prost::Oneof)]
        pub enum Content {
            /// The value of a suggested input to a text input field. This is
            /// equivalent to what users enter themselves.
            #[prost(string, tag = "1")]
            Text(::prost::alloc::string::String),
        }
    }
}
/// A list of buttons layed out horizontally. For an example in
/// Google Chat apps, see
/// [Add a
/// button](<https://developers.google.com/workspace/chat/design-interactive-card-dialog#add_a_button>).
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ButtonList {
    /// An array of buttons.
    #[prost(message, repeated, tag = "1")]
    pub buttons: ::prost::alloc::vec::Vec<Button>,
}
/// A widget that creates one or more UI items that users can select.
/// For example, a dropdown menu or checkboxes. You can use this widget to
/// collect data that can be predicted or enumerated. For an example in Google
/// Chat apps, see [Add selectable UI
/// elements](/workspace/chat/design-interactive-card-dialog#add_selectable_ui_elements).
///
/// Chat apps can process the value of items that users select or input. For
/// details about working with form inputs, see [Receive form
/// data](<https://developers.google.com/workspace/chat/read-form-data>).
///
/// To collect undefined or abstract data from users, use
/// the [TextInput][google.apps.card.v1.TextInput] widget.
///
/// [Google Workspace Add-ons
/// and Chat apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct SelectionInput {
    /// The name that identifies the selection input in a form input event.
    ///
    /// For details about working with form inputs, see [Receive form
    /// data](<https://developers.google.com/workspace/chat/read-form-data>).
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// The text that appears above the selection input field in the user
    /// interface.
    ///
    /// Specify text that helps the user enter the information your app needs.
    /// For example, if users are selecting the urgency of a work ticket from a
    /// drop-down menu, the label might be "Urgency" or "Select urgency".
    #[prost(string, tag = "2")]
    pub label: ::prost::alloc::string::String,
    /// The type of items that are displayed to users in a `SelectionInput` widget.
    /// Selection types support different types of interactions. For example, users
    /// can select one or more checkboxes, but they can only select one value from
    /// a dropdown menu.
    #[prost(enumeration = "selection_input::SelectionType", tag = "3")]
    pub r#type: i32,
    /// An array of selectable items. For example, an array of radio buttons or
    /// checkboxes. Supports up to 100 items.
    #[prost(message, repeated, tag = "4")]
    pub items: ::prost::alloc::vec::Vec<selection_input::SelectionItem>,
    /// If specified, the form is submitted when the selection changes. If not
    /// specified, you must specify a separate button that submits the form.
    ///
    /// For details about working with form inputs, see [Receive form
    /// data](<https://developers.google.com/workspace/chat/read-form-data>).
    #[prost(message, optional, tag = "5")]
    pub on_change_action: ::core::option::Option<Action>,
    /// For multiselect menus, the maximum number of items that a user can select.
    /// Minimum value is 1 item. If unspecified, defaults to 3 items.
    #[prost(int32, tag = "6")]
    pub multi_select_max_selected_items: i32,
    /// For multiselect menus, the number of text characters that a user inputs
    /// before the app queries autocomplete and displays suggested items
    /// in the menu.
    ///
    /// If unspecified, defaults to 0 characters for static data sources and 3
    /// characters for external data sources.
    #[prost(int32, tag = "7")]
    pub multi_select_min_query_length: i32,
    /// For a multiselect menu, the data source that populates
    /// selection items.
    ///
    /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
    #[prost(oneof = "selection_input::MultiSelectDataSource", tags = "8, 9")]
    pub multi_select_data_source: ::core::option::Option<
        selection_input::MultiSelectDataSource,
    >,
}
/// Nested message and enum types in `SelectionInput`.
pub mod selection_input {
    /// An item that users can select in a selection input, such as a checkbox
    /// or switch.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct SelectionItem {
        /// The text that identifies or describes the item to users.
        #[prost(string, tag = "1")]
        pub text: ::prost::alloc::string::String,
        /// The value associated with this item. The client should use this as a form
        /// input value.
        ///
        /// For details about working with form inputs, see [Receive form
        /// data](<https://developers.google.com/workspace/chat/read-form-data>).
        #[prost(string, tag = "2")]
        pub value: ::prost::alloc::string::String,
        /// Whether the item is selected by default. If the selection input only
        /// accepts one value (such as for radio buttons or a dropdown menu), only
        /// set this field for one item.
        #[prost(bool, tag = "3")]
        pub selected: bool,
        /// For multiselect menus, the URL for the icon displayed next to
        /// the item's `text` field. Supports PNG and JPEG files. Must be an `HTTPS`
        /// URL. For example,
        /// `<https://developers.google.com/workspace/chat/images/quickstart-app-avatar.png`.>
        #[prost(string, tag = "4")]
        pub start_icon_uri: ::prost::alloc::string::String,
        /// For multiselect menus, a text description or label that's
        /// displayed below the item's `text` field.
        #[prost(string, tag = "5")]
        pub bottom_text: ::prost::alloc::string::String,
    }
    /// For a
    /// [`SelectionInput`][google.apps.card.v1.SelectionInput] widget that uses a
    /// multiselect menu, a data source from Google Workspace. Used to populate
    /// items in a multiselect menu.
    ///
    /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
    #[derive(Clone, Copy, PartialEq, ::prost::Message)]
    pub struct PlatformDataSource {
        /// The data source.
        #[prost(oneof = "platform_data_source::DataSource", tags = "1")]
        pub data_source: ::core::option::Option<platform_data_source::DataSource>,
    }
    /// Nested message and enum types in `PlatformDataSource`.
    pub mod platform_data_source {
        /// A data source shared by all [Google Workspace
        /// applications]
        /// (<https://developers.google.com/workspace/chat/api/reference/rest/v1/HostApp>).
        ///
        /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
        #[derive(
            Clone,
            Copy,
            Debug,
            PartialEq,
            Eq,
            Hash,
            PartialOrd,
            Ord,
            ::prost::Enumeration
        )]
        #[repr(i32)]
        pub enum CommonDataSource {
            /// Default value. Don't use.
            Unknown = 0,
            /// Google Workspace users. The user can only view and select users from
            /// their Google Workspace organization.
            User = 1,
        }
        impl CommonDataSource {
            /// String value of the enum field names used in the ProtoBuf definition.
            ///
            /// The values are not transformed in any way and thus are considered stable
            /// (if the ProtoBuf definition does not change) and safe for programmatic use.
            pub fn as_str_name(&self) -> &'static str {
                match self {
                    CommonDataSource::Unknown => "UNKNOWN",
                    CommonDataSource::User => "USER",
                }
            }
            /// Creates an enum from field names used in the ProtoBuf definition.
            pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
                match value {
                    "UNKNOWN" => Some(Self::Unknown),
                    "USER" => Some(Self::User),
                    _ => None,
                }
            }
        }
        /// The data source.
        #[derive(Clone, Copy, PartialEq, ::prost::Oneof)]
        pub enum DataSource {
            /// A data source shared by all Google Workspace applications, such as
            /// users in a Google Workspace organization.
            #[prost(enumeration = "CommonDataSource", tag = "1")]
            CommonDataSource(i32),
        }
    }
    /// The format for the items that users can select. Different options support
    /// different types of interactions. For example, users can select multiple
    /// checkboxes, but can only select one item from a dropdown menu.
    ///
    /// Each selection input supports one type of selection. Mixing checkboxes
    /// and switches, for example, isn't supported.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum SelectionType {
        /// A set of checkboxes. Users can select one or more checkboxes.
        CheckBox = 0,
        /// A set of radio buttons. Users can select one radio button.
        RadioButton = 1,
        /// A set of switches. Users can turn on one or more switches.
        Switch = 2,
        /// A dropdown menu. Users can select one item from the menu.
        Dropdown = 3,
        /// A multiselect menu for static or dynamic data. From the menu bar,
        /// users select one or more items. Users can also input values to populate
        /// dynamic data. For example, users can start typing the name of a Google
        /// Chat space and the widget autosuggests the space.
        ///
        /// To populate items for a multiselect menu, you can use one of the
        /// following types of data sources:
        ///
        ///   * Static data: Items are specified as `SelectionItem` objects in the
        ///     widget. Up to 100 items.
        ///   * Google Workspace data: Items are populated using data from Google
        ///     Workspace, such as Google Workspace users or Google Chat spaces.
        ///   * External data: Items are populated from an external data
        ///     source outside of Google Workspace.
        ///
        /// For examples of how to implement multiselect menus, see
        /// [Add a multiselect
        /// menu](<https://developers.google.com/workspace/chat/design-interactive-card-dialog#multiselect-menu>).
        ///
        /// [Google Workspace Add-ons and Chat
        /// apps](<https://developers.google.com/workspace/extend>):
        /// Multiselect for Google Workspace Add-ons are in
        /// Developer Preview.
        MultiSelect = 4,
    }
    impl SelectionType {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                SelectionType::CheckBox => "CHECK_BOX",
                SelectionType::RadioButton => "RADIO_BUTTON",
                SelectionType::Switch => "SWITCH",
                SelectionType::Dropdown => "DROPDOWN",
                SelectionType::MultiSelect => "MULTI_SELECT",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "CHECK_BOX" => Some(Self::CheckBox),
                "RADIO_BUTTON" => Some(Self::RadioButton),
                "SWITCH" => Some(Self::Switch),
                "DROPDOWN" => Some(Self::Dropdown),
                "MULTI_SELECT" => Some(Self::MultiSelect),
                _ => None,
            }
        }
    }
    /// For a multiselect menu, the data source that populates
    /// selection items.
    ///
    /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum MultiSelectDataSource {
        /// An external data source, such as a relational data base.
        #[prost(message, tag = "8")]
        ExternalDataSource(super::Action),
        /// A data source from Google Workspace.
        #[prost(message, tag = "9")]
        PlatformDataSource(PlatformDataSource),
    }
}
/// Lets users input a date, a time, or both a date and a time. For an example in
/// Google Chat apps, see [Let a user pick a date and
/// time](<https://developers.google.com/workspace/chat/design-interactive-card-dialog#let_a_user_pick_a_date_and_time>).
///
/// Users can input text or use the picker to select dates and times. If users
/// input an invalid date or time, the picker shows an error that prompts users
/// to input the information correctly.
///
/// [Google Workspace
/// Add-ons and Chat apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DateTimePicker {
    /// The name by which the `DateTimePicker` is identified in a form input event.
    ///
    /// For details about working with form inputs, see [Receive form
    /// data](<https://developers.google.com/workspace/chat/read-form-data>).
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// The text that prompts users to input a date, a time, or a date and time.
    /// For example, if users are scheduling an appointment, use a label such as
    /// `Appointment date` or `Appointment date and time`.
    #[prost(string, tag = "2")]
    pub label: ::prost::alloc::string::String,
    /// Whether the widget supports inputting a date, a time, or the date and time.
    #[prost(enumeration = "date_time_picker::DateTimePickerType", tag = "3")]
    pub r#type: i32,
    /// The default value displayed in the widget, in milliseconds since [Unix
    /// epoch time](<https://en.wikipedia.org/wiki/Unix_time>).
    ///
    /// Specify the value based on the type of picker (`DateTimePickerType`):
    ///
    /// * `DATE_AND_TIME`: a calendar date and time in UTC. For example, to
    ///    represent January 1, 2023 at 12:00 PM UTC, use `1672574400000`.
    /// * `DATE_ONLY`: a calendar date at 00:00:00 UTC. For example, to represent
    ///    January 1, 2023, use `1672531200000`.
    /// * `TIME_ONLY`: a time in UTC. For example, to represent 12:00 PM, use
    ///    `43200000` (or `12 * 60 * 60 * 1000`).
    #[prost(int64, tag = "4")]
    pub value_ms_epoch: i64,
    /// The number representing the time zone offset from UTC, in minutes.
    /// If set, the `value_ms_epoch` is displayed in the specified time zone.
    /// If unset, the value defaults to the user's time zone setting.
    #[prost(int32, tag = "5")]
    pub timezone_offset_date: i32,
    /// Triggered when the user clicks **Save** or **Clear** from the
    /// `DateTimePicker` interface.
    #[prost(message, optional, tag = "6")]
    pub on_change_action: ::core::option::Option<Action>,
}
/// Nested message and enum types in `DateTimePicker`.
pub mod date_time_picker {
    /// The format for the date and time in the `DateTimePicker` widget.
    /// Determines whether users can input a date, a time, or both a date and time.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum DateTimePickerType {
        /// Users input a date and time.
        DateAndTime = 0,
        /// Users input a date.
        DateOnly = 1,
        /// Users input a time.
        TimeOnly = 2,
    }
    impl DateTimePickerType {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                DateTimePickerType::DateAndTime => "DATE_AND_TIME",
                DateTimePickerType::DateOnly => "DATE_ONLY",
                DateTimePickerType::TimeOnly => "TIME_ONLY",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "DATE_AND_TIME" => Some(Self::DateAndTime),
                "DATE_ONLY" => Some(Self::DateOnly),
                "TIME_ONLY" => Some(Self::TimeOnly),
                _ => None,
            }
        }
    }
}
/// A text, icon, or text and icon button that users can click. For an example in
/// Google Chat apps, see
/// [Add a
/// button](<https://developers.google.com/workspace/chat/design-interactive-card-dialog#add_a_button>).
///
/// To make an image a clickable button, specify an
/// [`Image`][google.apps.card.v1.Image] (not an
/// [`ImageComponent`][google.apps.card.v1.ImageComponent]) and set an
/// `onClick` action.
///
/// [Google Workspace
/// Add-ons and Chat apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Button {
    /// The text displayed inside the button.
    #[prost(string, tag = "1")]
    pub text: ::prost::alloc::string::String,
    /// The icon image. If both `icon` and `text` are set, then the icon appears
    /// before the text.
    #[prost(message, optional, tag = "2")]
    pub icon: ::core::option::Option<Icon>,
    /// If set, the button is filled with a solid background color and the font
    /// color changes to maintain contrast with the background color. For example,
    /// setting a blue background likely results in white text.
    ///
    /// If unset, the image background is white and the font color is blue.
    ///
    /// For red, green, and blue, the value of each field is a `float` number that
    /// you can express in either of two ways: as a number between 0 and 255
    /// divided by 255 (153/255), or as a value between 0 and 1 (0.6). 0 represents
    /// the absence of a color and 1 or 255/255 represent the full presence of that
    /// color on the RGB scale.
    ///
    /// Optionally set `alpha`, which sets a level of transparency using this
    /// equation:
    ///
    /// ```
    /// pixel color = alpha * (this color) + (1.0 - alpha) * (background color)
    /// ```
    ///
    /// For `alpha`, a value of `1` corresponds with a solid color, and a value of
    /// `0` corresponds with a completely transparent color.
    ///
    /// For example, the following color represents a half transparent red:
    ///
    /// ```
    /// "color": {
    ///     "red": 1,
    ///     "green": 0,
    ///     "blue": 0,
    ///     "alpha": 0.5
    /// }
    /// ```
    #[prost(message, optional, tag = "3")]
    pub color: ::core::option::Option<super::super::super::r#type::Color>,
    /// Required. The action to perform when a user clicks the button, such as
    /// opening a hyperlink or running a custom function.
    #[prost(message, optional, boxed, tag = "4")]
    pub on_click: ::core::option::Option<::prost::alloc::boxed::Box<OnClick>>,
    /// If `true`, the button is displayed in an inactive state and doesn't respond
    /// to user actions.
    #[prost(bool, tag = "5")]
    pub disabled: bool,
    /// The alternative text that's used for accessibility.
    ///
    /// Set descriptive text that lets users know what the button does. For
    /// example, if a button opens a hyperlink, you might write: "Opens a new
    /// browser tab and navigates to the Google Chat developer documentation at
    /// <https://developers.google.com/workspace/chat".>
    #[prost(string, tag = "6")]
    pub alt_text: ::prost::alloc::string::String,
}
/// An icon displayed in a widget on a card. For an example in Google Chat apps,
/// see [Add an
/// icon](<https://developers.google.com/workspace/chat/add-text-image-card-dialog#add_an_icon>).
///
/// Supports
/// [built-in](<https://developers.google.com/workspace/chat/format-messages#builtinicons>)
/// and
/// [custom](<https://developers.google.com/workspace/chat/format-messages#customicons>)
/// icons.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Icon {
    /// Optional. A description of the icon used for accessibility.
    /// If unspecified, the default value `Button` is provided. As a best practice,
    /// you should set a helpful description for what the icon displays, and if
    /// applicable, what it does. For example, `A user's account portrait`, or
    /// `Opens a new browser tab and navigates to the Google Chat developer
    /// documentation at <https://developers.google.com/workspace/chat`.>
    ///
    /// If the icon is set in a [`Button`][google.apps.card.v1.Button], the
    /// `altText` appears as helper text when the user hovers over the button.
    /// However, if the button also sets `text`, the icon's `altText` is ignored.
    #[prost(string, tag = "3")]
    pub alt_text: ::prost::alloc::string::String,
    /// The crop style applied to the image. In some cases, applying a
    /// `CIRCLE` crop causes the image to be drawn larger than a built-in
    /// icon.
    #[prost(enumeration = "widget::ImageType", tag = "4")]
    pub image_type: i32,
    /// The icon displayed in the widget on the card.
    #[prost(oneof = "icon::Icons", tags = "1, 2, 5")]
    pub icons: ::core::option::Option<icon::Icons>,
}
/// Nested message and enum types in `Icon`.
pub mod icon {
    /// The icon displayed in the widget on the card.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Icons {
        /// Display one of the built-in icons provided by Google Workspace.
        ///
        /// For example, to display an airplane icon, specify `AIRPLANE`.
        /// For a bus, specify `BUS`.
        ///
        /// For a full list of supported icons, see [built-in
        /// icons](<https://developers.google.com/workspace/chat/format-messages#builtinicons>).
        #[prost(string, tag = "1")]
        KnownIcon(::prost::alloc::string::String),
        /// Display a custom icon hosted at an HTTPS URL.
        ///
        /// For example:
        ///
        /// ```
        /// "iconUrl":
        /// "<https://developers.google.com/workspace/chat/images/quickstart-app-avatar.png">
        /// ```
        ///
        /// Supported file types include `.png` and `.jpg`.
        #[prost(string, tag = "2")]
        IconUrl(::prost::alloc::string::String),
        /// Display one of the [Google Material
        /// Icons](<https://fonts.google.com/icons>).
        ///
        /// For example, to display a [checkbox
        /// icon](<https://fonts.google.com/icons?selected=Material%20Symbols%20Outlined%3Acheck_box%3AFILL%400%3Bwght%40400%3BGRAD%400%3Bopsz%4048>),
        /// use
        /// ```
        /// "material_icon": {
        ///    "name": "check_box"
        /// }
        /// ```
        ///
        /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
        #[prost(message, tag = "5")]
        MaterialIcon(super::MaterialIcon),
    }
}
/// A [Google Material Icon](<https://fonts.google.com/icons>), which includes over
/// 2500+ options.
///
/// For example, to display a [checkbox
/// icon](<https://fonts.google.com/icons?selected=Material%20Symbols%20Outlined%3Acheck_box%3AFILL%400%3Bwght%40400%3BGRAD%400%3Bopsz%4048>)
/// with customized weight and grade, write the following:
///
/// ```
/// {
///    "name": "check_box",
///    "fill": true,
///    "weight": 300,
///    "grade": -25
/// }
/// ```
///
/// [Google Chat apps](<https://developers.google.com/workspace/chat>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct MaterialIcon {
    /// The icon name defined in the [Google Material
    /// Icon](<https://fonts.google.com/icons>), for example, `check_box`. Any
    /// invalid names are abandoned and replaced with empty string and
    /// results in the icon failing to render.
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// Whether the icon renders as filled. Default value is false.
    ///
    /// To preview different icon settings, go to
    /// [Google Font Icons](<https://fonts.google.com/icons>) and adjust the
    /// settings under **Customize**.
    #[prost(bool, tag = "2")]
    pub fill: bool,
    /// The stroke weight of the icon. Choose from {100, 200, 300, 400,
    /// 500, 600, 700}. If absent, default value is 400. If any other value is
    /// specified, the default value is used.
    ///
    /// To preview different icon settings, go to
    /// [Google Font Icons](<https://fonts.google.com/icons>) and adjust the
    /// settings under **Customize**.
    #[prost(int32, tag = "3")]
    pub weight: i32,
    /// Weight and grade affect a symbol’s thickness. Adjustments to grade are more
    /// granular than adjustments to weight and have a small impact on the size of
    /// the symbol. Choose from {-25, 0, 200}. If absent, default value is 0. If
    /// any other value is specified, the default value is used.
    ///
    /// To preview different icon settings, go to
    /// [Google Font Icons](<https://fonts.google.com/icons>) and adjust the
    /// settings under **Customize**.
    #[prost(int32, tag = "4")]
    pub grade: i32,
}
/// Represents the crop style applied to an image.
///
/// [Google Workspace Add-ons and
/// Chat apps](<https://developers.google.com/workspace/extend>):
///
/// For example, here's how to apply a 16:9 aspect ratio:
///
/// ```
/// cropStyle {
///   "type": "RECTANGLE_CUSTOM",
///   "aspectRatio": 16/9
/// }
/// ```
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct ImageCropStyle {
    /// The crop type.
    #[prost(enumeration = "image_crop_style::ImageCropType", tag = "1")]
    pub r#type: i32,
    /// The aspect ratio to use if the crop type is `RECTANGLE_CUSTOM`.
    ///
    /// For example, here's how to apply a 16:9 aspect ratio:
    ///
    /// ```
    /// cropStyle {
    ///   "type": "RECTANGLE_CUSTOM",
    ///   "aspectRatio": 16/9
    /// }
    /// ```
    #[prost(double, tag = "2")]
    pub aspect_ratio: f64,
}
/// Nested message and enum types in `ImageCropStyle`.
pub mod image_crop_style {
    /// Represents the crop style applied to an image.
    ///
    /// [Google Workspace Add-ons
    /// and Chat apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum ImageCropType {
        /// Don't use. Unspecified.
        Unspecified = 0,
        /// Default value. Applies a square crop.
        Square = 1,
        /// Applies a circular crop.
        Circle = 2,
        /// Applies a rectangular crop with a custom aspect ratio. Set the custom
        /// aspect ratio with `aspectRatio`.
        RectangleCustom = 3,
        /// Applies a rectangular crop with a 4:3 aspect ratio.
        Rectangle43 = 4,
    }
    impl ImageCropType {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                ImageCropType::Unspecified => "IMAGE_CROP_TYPE_UNSPECIFIED",
                ImageCropType::Square => "SQUARE",
                ImageCropType::Circle => "CIRCLE",
                ImageCropType::RectangleCustom => "RECTANGLE_CUSTOM",
                ImageCropType::Rectangle43 => "RECTANGLE_4_3",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "IMAGE_CROP_TYPE_UNSPECIFIED" => Some(Self::Unspecified),
                "SQUARE" => Some(Self::Square),
                "CIRCLE" => Some(Self::Circle),
                "RECTANGLE_CUSTOM" => Some(Self::RectangleCustom),
                "RECTANGLE_4_3" => Some(Self::Rectangle43),
                _ => None,
            }
        }
    }
}
/// The style options for the border of a card or widget, including the border
/// type and color.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct BorderStyle {
    /// The border type.
    #[prost(enumeration = "border_style::BorderType", tag = "1")]
    pub r#type: i32,
    /// The colors to use when the type is `BORDER_TYPE_STROKE`.
    #[prost(message, optional, tag = "2")]
    pub stroke_color: ::core::option::Option<super::super::super::r#type::Color>,
    /// The corner radius for the border.
    #[prost(int32, tag = "3")]
    pub corner_radius: i32,
}
/// Nested message and enum types in `BorderStyle`.
pub mod border_style {
    /// Represents the border types applied to widgets.
    ///
    /// [Google Workspace Add-ons
    /// and Chat apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum BorderType {
        /// Don't use. Unspecified.
        Unspecified = 0,
        /// Default value. No border.
        NoBorder = 1,
        /// Outline.
        Stroke = 2,
    }
    impl BorderType {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                BorderType::Unspecified => "BORDER_TYPE_UNSPECIFIED",
                BorderType::NoBorder => "NO_BORDER",
                BorderType::Stroke => "STROKE",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "BORDER_TYPE_UNSPECIFIED" => Some(Self::Unspecified),
                "NO_BORDER" => Some(Self::NoBorder),
                "STROKE" => Some(Self::Stroke),
                _ => None,
            }
        }
    }
}
/// Represents an image.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ImageComponent {
    /// The image URL.
    #[prost(string, tag = "1")]
    pub image_uri: ::prost::alloc::string::String,
    /// The accessibility label for the image.
    #[prost(string, tag = "2")]
    pub alt_text: ::prost::alloc::string::String,
    /// The crop style to apply to the image.
    #[prost(message, optional, tag = "3")]
    pub crop_style: ::core::option::Option<ImageCropStyle>,
    /// The border style to apply to the image.
    #[prost(message, optional, tag = "4")]
    pub border_style: ::core::option::Option<BorderStyle>,
}
/// Displays a grid with a collection of items. Items can only include text or
/// images. For responsive columns, or to include more than text or images, use
/// [`Columns`][google.apps.card.v1.Columns]. For an example in Google Chat apps,
/// see [Display a Grid with a collection of
/// items](<https://developers.google.com/workspace/chat/format-structure-card-dialog#display_a_grid_with_a_collection_of_items>).
///
/// A grid supports any number of columns and items. The number of rows is
/// determined by items divided by columns. A grid with
/// 10 items and 2 columns has 5 rows. A grid with 11 items and 2 columns
/// has 6 rows.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
///
/// For example, the following JSON creates a 2 column grid with a single
/// item:
///
/// ```
/// "grid": {
///    "title": "A fine collection of items",
///    "columnCount": 2,
///    "borderStyle": {
///      "type": "STROKE",
///      "cornerRadius": 4
///    },
///    "items": [
///      {
///        "image": {
///          "imageUri": "<https://www.example.com/image.png",>
///          "cropStyle": {
///            "type": "SQUARE"
///          },
///          "borderStyle": {
///            "type": "STROKE"
///          }
///        },
///        "title": "An item",
///        "textAlignment": "CENTER"
///      }
///    ],
///    "onClick": {
///      "openLink": {
///        "url": "<https://www.example.com">
///      }
///    }
/// }
/// ```
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Grid {
    /// The text that displays in the grid header.
    #[prost(string, tag = "1")]
    pub title: ::prost::alloc::string::String,
    /// The items to display in the grid.
    #[prost(message, repeated, tag = "2")]
    pub items: ::prost::alloc::vec::Vec<grid::GridItem>,
    /// The border style to apply to each grid item.
    #[prost(message, optional, tag = "3")]
    pub border_style: ::core::option::Option<BorderStyle>,
    /// The number of columns to display in the grid. A default value
    /// is used if this field isn't specified, and that default value is
    /// different depending on where the grid is shown (dialog versus companion).
    #[prost(int32, tag = "4")]
    pub column_count: i32,
    /// This callback is reused by each individual grid item, but with the
    /// item's identifier and index in the items list added to the callback's
    /// parameters.
    #[prost(message, optional, tag = "5")]
    pub on_click: ::core::option::Option<OnClick>,
}
/// Nested message and enum types in `Grid`.
pub mod grid {
    /// Represents an item in a grid layout. Items can contain text, an image, or
    /// both text and an image.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct GridItem {
        /// A user-specified identifier for this grid item. This identifier is
        /// returned in the parent grid's `onClick` callback parameters.
        #[prost(string, tag = "1")]
        pub id: ::prost::alloc::string::String,
        /// The image that displays in the grid item.
        #[prost(message, optional, tag = "2")]
        pub image: ::core::option::Option<super::ImageComponent>,
        /// The grid item's title.
        #[prost(string, tag = "3")]
        pub title: ::prost::alloc::string::String,
        /// The grid item's subtitle.
        #[prost(string, tag = "4")]
        pub subtitle: ::prost::alloc::string::String,
        /// The layout to use for the grid item.
        #[prost(enumeration = "grid_item::GridItemLayout", tag = "9")]
        pub layout: i32,
    }
    /// Nested message and enum types in `GridItem`.
    pub mod grid_item {
        /// Represents the various layout options available for a grid item.
        ///
        /// [Google Workspace Add-ons and Chat
        /// apps](<https://developers.google.com/workspace/extend>):
        #[derive(
            Clone,
            Copy,
            Debug,
            PartialEq,
            Eq,
            Hash,
            PartialOrd,
            Ord,
            ::prost::Enumeration
        )]
        #[repr(i32)]
        pub enum GridItemLayout {
            /// Don't use. Unspecified.
            Unspecified = 0,
            /// The title and subtitle are shown below the grid item's image.
            TextBelow = 1,
            /// The title and subtitle are shown above the grid item's image.
            TextAbove = 2,
        }
        impl GridItemLayout {
            /// String value of the enum field names used in the ProtoBuf definition.
            ///
            /// The values are not transformed in any way and thus are considered stable
            /// (if the ProtoBuf definition does not change) and safe for programmatic use.
            pub fn as_str_name(&self) -> &'static str {
                match self {
                    GridItemLayout::Unspecified => "GRID_ITEM_LAYOUT_UNSPECIFIED",
                    GridItemLayout::TextBelow => "TEXT_BELOW",
                    GridItemLayout::TextAbove => "TEXT_ABOVE",
                }
            }
            /// Creates an enum from field names used in the ProtoBuf definition.
            pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
                match value {
                    "GRID_ITEM_LAYOUT_UNSPECIFIED" => Some(Self::Unspecified),
                    "TEXT_BELOW" => Some(Self::TextBelow),
                    "TEXT_ABOVE" => Some(Self::TextAbove),
                    _ => None,
                }
            }
        }
    }
}
/// The `Columns` widget displays up to 2 columns in a card or dialog. You can
/// add widgets to each column; the widgets appear in the order that they are
/// specified. For an example in Google Chat apps, see
/// [Display cards and dialogs in
/// columns](<https://developers.google.com/workspace/chat/format-structure-card-dialog#display_cards_and_dialogs_in_columns>).
///
/// The height of each column is determined by the taller column. For example, if
/// the first column is taller than the second column, both columns have the
/// height of the first column. Because each column can contain a different
/// number of widgets, you can't define rows or align widgets between the
/// columns.
///
/// Columns are displayed side-by-side. You can customize the width of each
/// column using the `HorizontalSizeStyle` field. If the user's
/// screen width is too narrow, the second column wraps below the first:
///
/// * On web, the second column wraps if the screen width is less than or equal
///    to 480 pixels.
/// * On iOS devices, the second column wraps if the screen width is
///    less than or equal to 300 pt.
/// * On Android devices, the second column wraps if the screen width is
///    less than or equal to 320 dp.
///
/// To include more than 2 columns, or to use rows, use the
/// [`Grid`][google.apps.card.v1.Grid] widget.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
/// Columns for Google Workspace Add-ons are in
/// Developer Preview.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Columns {
    /// An array of columns. You can include up to 2 columns in a card or dialog.
    #[prost(message, repeated, tag = "2")]
    pub column_items: ::prost::alloc::vec::Vec<columns::Column>,
}
/// Nested message and enum types in `Columns`.
pub mod columns {
    /// A column.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    /// Columns for Google Workspace Add-ons are in
    /// Developer Preview.
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct Column {
        /// Specifies how a column fills the width of the card.
        #[prost(enumeration = "column::HorizontalSizeStyle", tag = "1")]
        pub horizontal_size_style: i32,
        /// Specifies whether widgets align to the left, right, or center of a
        /// column.
        #[prost(enumeration = "super::widget::HorizontalAlignment", tag = "2")]
        pub horizontal_alignment: i32,
        /// Specifies whether widgets align to the top, bottom, or center of a
        /// column.
        #[prost(enumeration = "column::VerticalAlignment", tag = "3")]
        pub vertical_alignment: i32,
        /// An array of widgets included in a column. Widgets appear in the order
        /// that they are specified.
        #[prost(message, repeated, tag = "4")]
        pub widgets: ::prost::alloc::vec::Vec<column::Widgets>,
    }
    /// Nested message and enum types in `Column`.
    pub mod column {
        /// The supported widgets that you can include in a column.
        ///
        /// [Google Workspace Add-ons and Chat
        /// apps](<https://developers.google.com/workspace/extend>):
        /// Columns for Google Workspace Add-ons are in
        /// Developer Preview.
        #[derive(Clone, PartialEq, ::prost::Message)]
        pub struct Widgets {
            #[prost(oneof = "widgets::Data", tags = "1, 2, 3, 4, 5, 6, 7")]
            pub data: ::core::option::Option<widgets::Data>,
        }
        /// Nested message and enum types in `Widgets`.
        pub mod widgets {
            #[derive(Clone, PartialEq, ::prost::Oneof)]
            pub enum Data {
                /// [TextParagraph][google.apps.card.v1.TextParagraph] widget.
                #[prost(message, tag = "1")]
                TextParagraph(super::super::super::TextParagraph),
                /// [Image][google.apps.card.v1.Image] widget.
                #[prost(message, tag = "2")]
                Image(super::super::super::Image),
                /// [DecoratedText][google.apps.card.v1.DecoratedText] widget.
                #[prost(message, tag = "3")]
                DecoratedText(super::super::super::DecoratedText),
                /// [ButtonList][google.apps.card.v1.ButtonList] widget.
                #[prost(message, tag = "4")]
                ButtonList(super::super::super::ButtonList),
                /// [TextInput][google.apps.card.v1.TextInput] widget.
                #[prost(message, tag = "5")]
                TextInput(super::super::super::TextInput),
                /// [SelectionInput][google.apps.card.v1.SelectionInput] widget.
                #[prost(message, tag = "6")]
                SelectionInput(super::super::super::SelectionInput),
                /// [DateTimePicker][google.apps.card.v1.DateTimePicker] widget.
                #[prost(message, tag = "7")]
                DateTimePicker(super::super::super::DateTimePicker),
            }
        }
        /// Specifies how a column fills the width of the card. The width of each
        /// column depends on both the `HorizontalSizeStyle` and the width of the
        /// widgets within the column.
        ///
        /// [Google Workspace Add-ons and Chat
        /// apps](<https://developers.google.com/workspace/extend>):
        /// Columns for Google Workspace Add-ons are in
        /// Developer Preview.
        #[derive(
            Clone,
            Copy,
            Debug,
            PartialEq,
            Eq,
            Hash,
            PartialOrd,
            Ord,
            ::prost::Enumeration
        )]
        #[repr(i32)]
        pub enum HorizontalSizeStyle {
            /// Don't use. Unspecified.
            Unspecified = 0,
            /// Default value. Column fills the available space, up to 70% of the
            /// card's width. If both columns are set to `FILL_AVAILABLE_SPACE`, each
            /// column fills 50% of the space.
            FillAvailableSpace = 1,
            /// Column fills the least amount of space possible and no more than 30% of
            /// the card's width.
            FillMinimumSpace = 2,
        }
        impl HorizontalSizeStyle {
            /// String value of the enum field names used in the ProtoBuf definition.
            ///
            /// The values are not transformed in any way and thus are considered stable
            /// (if the ProtoBuf definition does not change) and safe for programmatic use.
            pub fn as_str_name(&self) -> &'static str {
                match self {
                    HorizontalSizeStyle::Unspecified => {
                        "HORIZONTAL_SIZE_STYLE_UNSPECIFIED"
                    }
                    HorizontalSizeStyle::FillAvailableSpace => "FILL_AVAILABLE_SPACE",
                    HorizontalSizeStyle::FillMinimumSpace => "FILL_MINIMUM_SPACE",
                }
            }
            /// Creates an enum from field names used in the ProtoBuf definition.
            pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
                match value {
                    "HORIZONTAL_SIZE_STYLE_UNSPECIFIED" => Some(Self::Unspecified),
                    "FILL_AVAILABLE_SPACE" => Some(Self::FillAvailableSpace),
                    "FILL_MINIMUM_SPACE" => Some(Self::FillMinimumSpace),
                    _ => None,
                }
            }
        }
        /// Specifies whether widgets align to the top, bottom, or center of a
        /// column.
        ///
        /// [Google Workspace Add-ons and Chat
        /// apps](<https://developers.google.com/workspace/extend>):
        /// Columns for Google Workspace Add-ons are in
        /// Developer Preview.
        #[derive(
            Clone,
            Copy,
            Debug,
            PartialEq,
            Eq,
            Hash,
            PartialOrd,
            Ord,
            ::prost::Enumeration
        )]
        #[repr(i32)]
        pub enum VerticalAlignment {
            /// Don't use. Unspecified.
            Unspecified = 0,
            /// Default value. Aligns widgets to the center of a column.
            Center = 1,
            /// Aligns widgets to the top of a column.
            Top = 2,
            /// Aligns widgets to the bottom of a column.
            Bottom = 3,
        }
        impl VerticalAlignment {
            /// String value of the enum field names used in the ProtoBuf definition.
            ///
            /// The values are not transformed in any way and thus are considered stable
            /// (if the ProtoBuf definition does not change) and safe for programmatic use.
            pub fn as_str_name(&self) -> &'static str {
                match self {
                    VerticalAlignment::Unspecified => "VERTICAL_ALIGNMENT_UNSPECIFIED",
                    VerticalAlignment::Center => "CENTER",
                    VerticalAlignment::Top => "TOP",
                    VerticalAlignment::Bottom => "BOTTOM",
                }
            }
            /// Creates an enum from field names used in the ProtoBuf definition.
            pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
                match value {
                    "VERTICAL_ALIGNMENT_UNSPECIFIED" => Some(Self::Unspecified),
                    "CENTER" => Some(Self::Center),
                    "TOP" => Some(Self::Top),
                    "BOTTOM" => Some(Self::Bottom),
                    _ => None,
                }
            }
        }
    }
}
/// Represents how to respond when users click an interactive element on
/// a card, such as a button.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct OnClick {
    #[prost(oneof = "on_click::Data", tags = "1, 2, 3, 4")]
    pub data: ::core::option::Option<on_click::Data>,
}
/// Nested message and enum types in `OnClick`.
pub mod on_click {
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Data {
        /// If specified, an action is triggered by this `onClick`.
        #[prost(message, tag = "1")]
        Action(super::Action),
        /// If specified, this `onClick` triggers an open link action.
        #[prost(message, tag = "2")]
        OpenLink(super::OpenLink),
        /// An add-on triggers this action when the action needs to open a
        /// link. This differs from the `open_link` above in that this needs to talk
        /// to server to get the link. Thus some preparation work is required for
        /// web client to do before the open link action response comes back.
        ///
        /// [Google Workspace
        /// Add-ons](<https://developers.google.com/workspace/add-ons>):
        #[prost(message, tag = "3")]
        OpenDynamicLinkAction(super::Action),
        /// A new card is pushed to the card stack after clicking if specified.
        ///
        /// [Google Workspace
        /// Add-ons](<https://developers.google.com/workspace/add-ons>):
        #[prost(message, tag = "4")]
        Card(::prost::alloc::boxed::Box<super::Card>),
    }
}
/// Represents an `onClick` event that opens a hyperlink.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct OpenLink {
    /// The URL to open.
    #[prost(string, tag = "1")]
    pub url: ::prost::alloc::string::String,
    /// How to open a link.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[prost(enumeration = "open_link::OpenAs", tag = "2")]
    pub open_as: i32,
    /// Whether the client forgets about a link after opening it, or observes it
    /// until the window closes.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[prost(enumeration = "open_link::OnClose", tag = "3")]
    pub on_close: i32,
}
/// Nested message and enum types in `OpenLink`.
pub mod open_link {
    /// When an `OnClick` action opens a link, then the client can either open it
    /// as a full-size window (if that's the frame used by the client), or an
    /// overlay (such as a pop-up). The implementation depends on the client
    /// platform capabilities, and the value selected might be ignored if the
    /// client doesn't support it. `FULL_SIZE` is supported by all clients.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum OpenAs {
        /// The link opens as a full-size window (if that's the frame used by the
        /// client).
        FullSize = 0,
        /// The link opens as an overlay, such as a pop-up.
        Overlay = 1,
    }
    impl OpenAs {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                OpenAs::FullSize => "FULL_SIZE",
                OpenAs::Overlay => "OVERLAY",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "FULL_SIZE" => Some(Self::FullSize),
                "OVERLAY" => Some(Self::Overlay),
                _ => None,
            }
        }
    }
    /// What the client does when a link opened by an `OnClick` action is closed.
    ///
    /// Implementation depends on client platform capabilities. For example, a web
    /// browser might open a link in a pop-up window with an `OnClose` handler.
    ///
    /// If both `OnOpen` and `OnClose` handlers are set, and the client platform
    /// can't support both values, `OnClose` takes precedence.
    ///
    /// [Google Workspace
    /// Add-ons](<https://developers.google.com/workspace/add-ons>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum OnClose {
        /// Default value. The card doesn't reload; nothing happens.
        Nothing = 0,
        /// Reloads the card after the child window closes.
        ///
        /// If used in conjunction with
        /// [`OpenAs.OVERLAY`](<https://developers.google.com/workspace/add-ons/reference/rpc/google.apps.card.v1#openas>),
        /// the child window acts as a modal dialog and the parent card is blocked
        /// until the child window closes.
        Reload = 1,
    }
    impl OnClose {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                OnClose::Nothing => "NOTHING",
                OnClose::Reload => "RELOAD",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "NOTHING" => Some(Self::Nothing),
                "RELOAD" => Some(Self::Reload),
                _ => None,
            }
        }
    }
}
/// An action that describes the behavior when the form is submitted.
/// For example, you can invoke an Apps Script script to handle the form.
/// If the action is triggered, the form values are sent to the server.
///
/// [Google Workspace Add-ons and Chat
/// apps](<https://developers.google.com/workspace/extend>):
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Action {
    /// A custom function to invoke when the containing element is
    /// clicked or othrwise activated.
    ///
    /// For example usage, see [Read form
    /// data](<https://developers.google.com/workspace/chat/read-form-data>).
    #[prost(string, tag = "1")]
    pub function: ::prost::alloc::string::String,
    /// List of action parameters.
    #[prost(message, repeated, tag = "2")]
    pub parameters: ::prost::alloc::vec::Vec<action::ActionParameter>,
    /// Specifies the loading indicator that the action displays while
    /// making the call to the action.
    #[prost(enumeration = "action::LoadIndicator", tag = "3")]
    pub load_indicator: i32,
    /// Indicates whether form values persist after the action. The default value
    /// is `false`.
    ///
    /// If `true`, form values remain after the action is triggered. To let the
    /// user make changes while the action is being processed, set
    /// [`LoadIndicator`](<https://developers.google.com/workspace/add-ons/reference/rpc/google.apps.card.v1#loadindicator>)
    /// to `NONE`. For [card
    /// messages](<https://developers.google.com/workspace/chat/api/guides/v1/messages/create#create>)
    /// in Chat apps, you must also set the action's
    /// [`ResponseType`](<https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces.messages#responsetype>)
    /// to `UPDATE_MESSAGE` and use the same
    /// [`card_id`](<https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces.messages#CardWithId>)
    /// from the card that contained the action.
    ///
    /// If `false`, the form values are cleared when the action is triggered.
    /// To prevent the user from making changes while the action is being
    /// processed, set
    /// [`LoadIndicator`](<https://developers.google.com/workspace/add-ons/reference/rpc/google.apps.card.v1#loadindicator>)
    /// to `SPINNER`.
    #[prost(bool, tag = "4")]
    pub persist_values: bool,
    /// Optional. Required when opening a
    /// [dialog](<https://developers.google.com/workspace/chat/dialogs>).
    ///
    /// What to do in response to an interaction with a user, such as a user
    /// clicking a button in a card message.
    ///
    /// If unspecified, the app responds by executing an `action`—like opening a
    /// link or running a function—as normal.
    ///
    /// By specifying an `interaction`, the app can respond in special interactive
    /// ways. For example, by setting `interaction` to `OPEN_DIALOG`, the app can
    /// open a [dialog](<https://developers.google.com/workspace/chat/dialogs>). When
    /// specified, a loading indicator isn't shown. If specified for
    /// an add-on, the entire card is stripped and nothing is shown in the client.
    ///
    /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
    #[prost(enumeration = "action::Interaction", tag = "5")]
    pub interaction: i32,
}
/// Nested message and enum types in `Action`.
pub mod action {
    /// List of string parameters to supply when the action method is invoked.
    /// For example, consider three snooze buttons: snooze now, snooze one day,
    /// or snooze next week. You might use `action method = snooze()`, passing the
    /// snooze type and snooze time in the list of string parameters.
    ///
    /// To learn more, see
    /// [`CommonEventObject`](<https://developers.google.com/workspace/chat/api/reference/rest/v1/Event#commoneventobject>).
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct ActionParameter {
        /// The name of the parameter for the action script.
        #[prost(string, tag = "1")]
        pub key: ::prost::alloc::string::String,
        /// The value of the parameter.
        #[prost(string, tag = "2")]
        pub value: ::prost::alloc::string::String,
    }
    /// Specifies the loading indicator that the action displays while
    /// making the call to the action.
    ///
    /// [Google Workspace Add-ons and Chat
    /// apps](<https://developers.google.com/workspace/extend>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum LoadIndicator {
        /// Displays a spinner to indicate that content is loading.
        Spinner = 0,
        /// Nothing is displayed.
        None = 1,
    }
    impl LoadIndicator {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                LoadIndicator::Spinner => "SPINNER",
                LoadIndicator::None => "NONE",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "SPINNER" => Some(Self::Spinner),
                "NONE" => Some(Self::None),
                _ => None,
            }
        }
    }
    /// Optional. Required when opening a
    /// [dialog](<https://developers.google.com/workspace/chat/dialogs>).
    ///
    /// What to do in response to an interaction with a user, such as a user
    /// clicking a button in a card message.
    ///
    /// If unspecified, the app responds by executing an `action`—like opening a
    /// link or running a function—as normal.
    ///
    /// By specifying an `interaction`, the app can respond in special interactive
    /// ways. For example, by setting `interaction` to `OPEN_DIALOG`, the app can
    /// open a [dialog](<https://developers.google.com/workspace/chat/dialogs>).
    ///
    /// When specified, a loading indicator isn't shown. If specified for
    /// an add-on, the entire card is stripped and nothing is shown in the client.
    ///
    /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum Interaction {
        /// Default value. The `action` executes as normal.
        Unspecified = 0,
        /// Opens a [dialog](<https://developers.google.com/workspace/chat/dialogs>), a
        /// windowed, card-based interface that Chat apps use to interact with users.
        ///
        /// Only supported by Chat apps in response to button-clicks on card
        /// messages. If specified for
        /// an add-on, the entire card is stripped and nothing is shown in the
        /// client.
        ///
        /// [Google Chat apps](<https://developers.google.com/workspace/chat>):
        OpenDialog = 1,
    }
    impl Interaction {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                Interaction::Unspecified => "INTERACTION_UNSPECIFIED",
                Interaction::OpenDialog => "OPEN_DIALOG",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "INTERACTION_UNSPECIFIED" => Some(Self::Unspecified),
                "OPEN_DIALOG" => Some(Self::OpenDialog),
                _ => None,
            }
        }
    }
}