@Nullable
  public static ASTNode getParentOfType(@Nullable ASTNode e, @NotNull ParentAwareTokenSet set) {
    if (e == null) {
      return null;
    }
    return findParent(e, set);
  }
@Nullable
  public static ASTNode getParentOfType(@Nullable ASTNode e, @NotNull ParentAwareTokenSet set)