ErrorInHeader "error in header".

ErrorInMetadata "error in metadata".

FailedInBearer "failed in bearer".

FailedToConvertPrometheusTimeout "failed to convert timeout".

GRPCHostNotFound "gRPC host not found".

GRPCPortNotFound "gRPC port not found".

PGDsnNotFound "pg dsn not found".

PrometheusHostNotFound "prometheus host not found".

PrometheusPortNotFound "prometheus port not found".

PrometheusTimeoutNotFound "prometheus timeout not found".