OperationArtifact contains the information about the artifact created as
result of the operation.
OperationEventLog contains the time series data of the operations on the
stream resources. Internally, these logs represent events happening in
the control plane as result of API invocations against the stream resource
entities.
SessionEventLog contains the time series data regarding the streaming session
to serve the end consumer. Internally, these logs represent events in the
data plane streamer instance as a result of end consumer interacting with the
stream resources.