IsErrTransient returns true if err is t.

NewServiceMetaData returns new instance of ServiceMetaData that reads service metadata by calling grpc Reflection service of the target.

NewServiceMetadataProto returns new instance of ServiceMetaData that reads service metadata from proto files on disk.

automatically determine which grpc reflection version to use.

FieldWalker walks fields message fields tree calling func for every field.

Proto message format.