const github.com/prometheus/common/expfmt.ProtoType

4 uses

	github.com/prometheus/common/expfmt (current package)
		decode.go#L53: 	case ProtoType:
		encode.go#L44: 		if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
		expfmt.go#L23: 	ProtoType     = `application/vnd.google.protobuf`
		expfmt.go#L25: 	ProtoFmt      = ProtoType + "; proto=" + ProtoProtocol + ";"

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