/*
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * 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.
 */
public class Test {
  public interface Some<T> {
    T test(T p1, T p2);
  }

  class Foo {
    public Foo create() {return null;}
    public Foo create1() {return null;}
  }

  {
    Some<Foo> some = (i1, i2) -> {
      return i1.<caret>
    };
  }
}