http://findbugs.sourceforge.net/: JSR305 Annotations for Findbugs 
package javax.annotation.meta;

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;


This qualifier is applied to an annotation to denote that the annotation
defines a default type qualifier that is visible within the scope of the
element it is applied to.

/**
 * This qualifier is applied to an annotation to denote that the annotation
 * defines a default type qualifier that is visible within the scope of the
 * element it is applied to.
 */

@Documented
@Target(ElementType.ANNOTATION_TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface TypeQualifierDefault {
    ElementType[] value() default {};
}