Java tutorial
// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. package com.intellij.openapi.ui; import org.jetbrains.annotations.NotNull; public interface TestDialog { TestDialog DEFAULT = message -> { throw new RuntimeException(message); }; TestDialog OK = __ -> Messages.OK; TestDialog NO = __ -> Messages.NO; int show(@NotNull String message); }