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Thin Java abstractions for the standard built-in objects for Javascript.

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/*
 * Copyright 2018 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package elemental2.core;

import jsinterop.annotations.JsFunction;
import jsinterop.annotations.JsOverlay;
import jsinterop.annotations.JsPackage;
import jsinterop.annotations.JsProperty;
import jsinterop.annotations.JsType;
import jsinterop.base.Js;
import jsinterop.base.JsPropertyMap;

@JsType(isNative = true, namespace = JsPackage.GLOBAL)
public class Proxy {
  @JsType(isNative = true, name = "?", namespace = JsPackage.GLOBAL)
  public interface RevocableReturnType {
    @JsFunction
    public interface RevokeFn {
      void onInvoke();
    }

    @JsOverlay
    static Proxy.RevocableReturnType create() {
      return Js.uncheckedCast(JsPropertyMap.of());
    }

    @JsProperty
    Proxy getProxy();

    @JsProperty
    Proxy.RevocableReturnType.RevokeFn getRevoke();

    @JsProperty
    void setProxy(Proxy proxy);

    @JsProperty
    void setRevoke(Proxy.RevocableReturnType.RevokeFn revoke);
  }

  public static native  Proxy.RevocableReturnType revocable(
      TARGET target, ProxyHandler handler);

  public Proxy(TARGET target, ProxyHandler handler) {}
}