private void addAdders(final CollectionChildDescriptionImpl description, final Collection<JavaMethod> methods) {
    if (methods != null) {
      for (final JavaMethod method : methods) {
        myCollectionChildrenAdditionMethods.put(method.getSignature(), description);
      }
    }
  }
private void addAdders(final CollectionChildDescriptionImpl description, final Collection<JavaMethod> methods)