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package com.litongjava.annotation;

import java.lang.annotation.Annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
@Documented
public @interface AliasFor {

	/**
	 * Alias for {@link #attribute}.
	 * Intended to be used instead of {@link #attribute} when {@link #annotation}
	 * is not declared — for example: {@code @AliasFor("value")} instead of
	 * {@code @AliasFor(attribute = "value")}.
	 */
	@AliasFor("attribute")
	String value() default "";

	/**
	 * The name of the attribute that this attribute is an alias for.
	 * @see #value
	 */
	@AliasFor("value")
	String attribute() default "";

	/**
	 * The type of annotation in which the aliased {@link #attribute} is declared.
	 * Defaults to {@link Annotation}, implying that the aliased attribute is
	 * declared in the same annotation as this attribute.
	 */
	Class annotation() default Annotation.class;

}