@@ -0,0 +1,1516 @@
+/*%0A * Copyright 2018 The Code Analysis Annotations Authors.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage codeanalysis.annotations;%0A%0Aimport static java.lang.annotation.ElementType.CONSTRUCTOR;%0Aimport static java.lang.annotation.ElementType.METHOD;%0Aimport static java.lang.annotation.ElementType.PACKAGE;%0Aimport static java.lang.annotation.ElementType.TYPE;%0Aimport static java.lang.annotation.RetentionPolicy.RUNTIME;%0A%0Aimport java.lang.annotation.Documented;%0Aimport java.lang.annotation.Retention;%0Aimport java.lang.annotation.Target;%0A%0A/**%0A * Indicates that the return value of the annotated method must be checked. An error is triggered%0A * when one of these methods is called but the result is not used.%0A *%0A * %3Cp%3E%7B@code @CheckReturnValue%7D may be applied to a class or package to indicate that all methods in%0A * that class or package must have their return values checked.%0A */%0A@Documented%0A@Target(%7BMETHOD, CONSTRUCTOR, TYPE, PACKAGE%7D)%0A@Retention(RUNTIME)%0Apublic @interface CheckReturnValue %7B%7D%0A

Add an example annotation.