docs: public CreateCommitResult withFilesDeleted(FileMetadata... filesDeleted) {
          if (this.filesDeleted == null) {
              setFilesDeleted(new java.util.ArrayList<FileMetadata>(filesDeleted.length));
          }
          for (FileMetadata ele : filesDeleted) {
              this.filesDeleted.add(ele);
          }
          return this;
      }