google.golang.org/protobuf/internal/filedesc.Message.ExtensionRanges (method, view implemented interface methods)

one use

	google.golang.org/protobuf/internal/filedesc (current package)
		desc.go#L324: func (md *Message) ExtensionRanges() protoreflect.FieldRanges  { return &md.lazyInit().ExtensionRanges }