code: protected boolean isCopyTransCompleteForSourceDocument(final CopyTransResource copyTransResource, final String zanataId) {
          final CopyTransStatus status = copyTransResource.getCopyTransStatus(details.getProject(), details.getVersion(), zanataId);
          performZanataRESTCallWaiting();
          return !status.isInProgress();
      }
docs: Check if copy trans has finished processing a source document.
  
  @param zanataId The Source Document id.
  @return True if the source document has finished processing otherwise false.