Write a 64 bit varint, given as two JS numbers, to the given bytes array.
Copyright 2008 Google Inc. All rights reserved.
See https://github.com/protocolbuffers/protobuf/blob/8a71927d74a4ce34efe2d8769fda198f52d20d12/js/experimental/runtime/kernel/writer.js#L344
Write a 64 bit varint, given as two JS numbers, to the given bytes array.
Copyright 2008 Google Inc. All rights reserved.
See https://github.com/protocolbuffers/protobuf/blob/8a71927d74a4ce34efe2d8769fda198f52d20d12/js/experimental/runtime/kernel/writer.js#L344