docs: function isArrayPush(node, name) {
    return node.TYPE === 'SimpleStatement' && node.body.TYPE === 'Call' &&
      node.body.expression.TYPE === 'Dot' && node.body.expression.property === 'push' &&
      node.body.expression.expression.TYPE === 'SymbolRef' && node.body.expression.expression.name === name;
  }