src/java.base/share/classes/jdk/internal/vm/annotation/Hidden.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
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 * accompanied this code).
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package jdk.internal.vm.annotation;

import java.lang.annotation.*;

/**
 * A method or constructor may be annotated as "hidden" to hint it is desirable
 * to omit it from stack traces.
 *
 * @implNote
 * This annotation only takes effect for methods or constructors of classes
 * loaded by the boot loader.  Annotations on methods or constructors of classes
 * loaded outside of the boot loader are ignored.
 *
 * <p>HotSpot JVM provides diagnostic option {@code -XX:+ShowHiddenFrames} to
 * always show "hidden" frames.
 */
@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
@Retention(RetentionPolicy.RUNTIME)
public @interface Hidden {
}