/streamz help
Streamz Root:
Streamz ManuallySampledMetrics set:
Root name: <default> [(+) labels] [(+) collection] [(+) largest exported metrics]
Search:

Directory: /spanner/cloud

Query matched 1 metrics and 0 "subdirectories":
/spanner/cloud/scrubbed_error_details{string type, bool denied, bool allowed} (cumulative): long = ...