docs: public void marshall(Commit commit, ProtocolMarshaller protocolMarshaller) {
  
          if (commit == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(commit.getCommitId(), COMMITID_BINDING);
              protocolMarshaller.marshall(commit.getTreeId(), TREEID_BINDING);
              protocolMarshaller.marshall(commit.getParents(), PARENTS_BINDING);
              protocolMarshaller.marshall(commit.getMessage(), MESSAGE_BINDING);
              protocolMarshaller.marshall(commit.getAuthor(), AUTHOR_BINDING);
              protocolMarshaller.marshall(commit.getCommitter(), COMMITTER_BINDING);
              protocolMarshaller.marshall(commit.getAdditionalData(), ADDITIONALDATA_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }