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Byte Buddy is a Java library for creating Java classes at run time. This artifact is a build of Byte Buddy with all ASM dependencies repackaged into its own name space.

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package net.bytebuddy.matcher;

import net.bytebuddy.build.HashCodeAndEqualsPlugin;

/**
 * An element matcher that reverses the matching result of another matcher.
 *
 * @param  The type of the matched entity.
 */
@HashCodeAndEqualsPlugin.Enhance
public class NegatingMatcher extends ElementMatcher.Junction.AbstractBase {

    /**
     * The element matcher to be negated.
     */
    private final ElementMatcher matcher;

    /**
     * Creates a new negating element matcher.
     *
     * @param matcher The element matcher to be negated.
     */
    public NegatingMatcher(ElementMatcher matcher) {
        this.matcher = matcher;
    }

    @Override
    public boolean matches(T target) {
        return !matcher.matches(target);
    }

    @Override
    public String toString() {
        return "not(" + matcher + ')';
    }
}