@Nullable
  public static ASTNode getFirstBodyElement(@Nullable ASTNode block) {
    if (block == null) {
      return null;
    }
    final ASTNode lBrace = getLBrace(block);
    if (lBrace == null) return null;
    final ASTNode nextSibling = lBrace.getTreeNext();
    return nextSibling == getRBrace(block) ? null : nextSibling;
  }
@Nullable
  public static ASTNode getFirstBodyElement(@Nullable ASTNode block)