protected boolean isConflictingChange() {
    if (myConflicts == null) {
      if ((myCurrentBase != null) && (myNewContentRevision instanceof LazyPatchContentRevision)) {
        ((LazyPatchContentRevision)myNewContentRevision).getContent();
        myConflicts = ((LazyPatchContentRevision)myNewContentRevision).isPatchApplyFailed();
      }
      else {
        myConflicts = false;
      }
    }
    return myConflicts;
  }
protected boolean isConflictingChange()