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Streamz ManuallySampledMetrics set:
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Directory: /grpc/internal

Query matched 2 metrics and 4 "subdirectories":
/grpc/internal/client/ (6 metrics)
/grpc/internal/core/ (107 metrics)
/grpc/internal/language/ (1 metrics)
/grpc/internal/server/ (4 metrics)
/grpc/internal/experiments{string experiment, bool default} : bool = ...
/grpc/internal/language : string = 
cpp