var google.golang.org/protobuf/internal/impl.uint64Zero

2 uses

	google.golang.org/protobuf/internal/impl (current package)
		convert.go#L83: 	uint64Zero  = protoreflect.ValueOfUint64(0)
		convert.go#L117: 			return &uint64Converter{t, defVal(fd, uint64Zero)}