/streamz help
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Streamz ManuallySampledMetrics set:
Root name: <default> [(+) labels] [(+) collection] [(+) largest exported metrics]
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Directory: /security/context/client/authority

Query matched 1 metrics and 0 "subdirectories":
/security/context/client/authority/low_cardinality{string rpc_service_name, string rpc_command, string credential_type} (cumulative): long = ...