@Override
  public String toString() {
    return "FilePatch{" +
           "myBeforeName='" + myBeforeName + '\'' +
           ", myAfterName='" + myAfterName + '\'' +
           ", myBeforeVersionId='" + myBeforeVersionId + '\'' +
           ", myAfterVersionId='" + myAfterVersionId + '\'' +
           '}';
  }
@Override
  public String toString()