@Override
  public void deleteChildInternal(@NotNull ASTNode child) {
    if (getChildRole(child) == ChildRole.QUALIFIER){
      ASTNode dot = findChildByRole(ChildRole.DOT);
      super.deleteChildInternal(child);
      deleteChildInternal(dot);
    }
    else{
      super.deleteChildInternal(child);
    }
  }
@Override
  public void deleteChildInternal(@NotNull ASTNode child)