@CheckForNull
  public DbProjectBranches.PullRequestData getPullRequestData() {
    if (pullRequestBinary == null) {
      return null;
    }
    return decodePullRequestData(pullRequestBinary);
  }
@Test
  void getPullRequestData_returns_null_when_data_is_null() {
    assertThat(underTest.getPullRequestData()).isNull();
  }