public static @Nullable ASTNode getNextNonWhitespaceSibling(@Nullable ASTNode node) {
    ASTNode next = node == null ? null : node.getTreeNext();
    while (next != null && isWhitespaceOrEmpty(next)) {
      next = next.getTreeNext();
    }
    return next;
  }
public static @Nullable ASTNode getNextNonWhitespaceSibling(@Nullable ASTNode node)