private ASTNode findIdentifierNode() {
    // namespace text = "..." is valid - "text" is parsed as a keyword though
    final ASTNode node = getNode().findChildByType(RncTokenTypes.IDENTIFIERS);
    if (node == null) {
      final ASTNode[] nodes = getNode().getChildren(RncTokenTypes.KEYWORDS);
      if (nodes.length > 1) {
        return nodes[1];
      }
    }
    return node;
  }
private ASTNode findIdentifierNode()