/* * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ package codetoanalyze.java.nullsafe_gradual; import javax.annotation.Nullable; public class MyPreconditions { public static native T checkNotNull(@Nullable T t); public static native void checkState(boolean expression); public static native void checkArgument(boolean expression); }