@Nullable
  public static ASTNode getRuleBody(@Nullable ASTNode element) {
    if (element == null) {
      return null;
    }

    return findChildByType(element, ParentAwareTokenSet.orSet(
      ParentAwareTokenSet.create(BASIC_BLOCK_STATEMENT, BASIC_THROW_STATEMENT), EXPRESSION_SET));
  }
@Nullable
  public static ASTNode getRuleBody(@Nullable ASTNode element)