text: module.exports = Behavior({
    methods: {
      _getParent(path) {
        this.parentPath = path;
        const parentNodes = this.getRelationNodes(path);
        console.log('parentNodes:', parentNodes);
        if (parentNodes && parentNodes.length !== 0) {
          return parentNodes[0];
        } else {
          return this;
        }
      },
      _getSibling(path) {
        const parentNode = this._getParent(this.parentPath);
        console.log('parentNode11:', parentNode)
        const node = parentNode.getRelationNodes(path);
        console.log('node111:L', node)
        if (node && node.length > 0) {
          return node[0]
        } else {
          return null;
        }
      }
    }
  })