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/home/yanggyein/yanggyein/yang_home/node_modules/ast-types/def/es7.js

module.exports = function (fork) {
    fork.use(require('./es6'));

var types = fork.use(require("../lib/types"));
    var def = types.Type.def;
    var or = types.Type.or;
    var builtin = types.builtInTypes;
    var defaults = fork.use(require("../lib/shared")).defaults;

def("Function")
      .field("async", Boolean, defaults["false"]);

def("SpreadProperty")
      .bases("Node")
      .build("argument")
      .field("argument", def("Expression"));

def("ObjectExpression")
      .field("properties", [or(def("Property"), def("SpreadProperty"))]);

def("SpreadPropertyPattern")
      .bases("Pattern")
      .build("argument")
      .field("argument", def("Pattern"));

def("ObjectPattern")
      .field("properties", [or(
        def("Property"),
        def("PropertyPattern"),
        def("SpreadPropertyPattern")
      )]);

def("AwaitExpression")
      .bases("Expression")
      .build("argument", "all")
      .field("argument", or(def("Expression"), null))
      .field("all", Boolean, defaults["false"]);
};