text: /**
   *  {
   *      type: 'JSXExpressionContainer',
   *      expression: {
   *          type: 'Identifier',
   *          name: 'test'
   *      }
   *  }
   */
  export function format(node, context, recur) {
      context.write('{');
      recur(node.expression);
      context.write('}');
  }
  