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package org.checkerframework.checker.fenum.qual;

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;
import org.checkerframework.framework.qual.DefaultFor;
import org.checkerframework.framework.qual.ImplicitFor;
import org.checkerframework.framework.qual.LiteralKind;
import org.checkerframework.framework.qual.SubtypeOf;
import org.checkerframework.framework.qual.TargetLocations;
import org.checkerframework.framework.qual.TypeUseLocation;

/**
 * The bottom type in the Fenum type system. Programmers should rarely write this type.
 *
 * 

Its relationships are set up via the FenumAnnotatedTypeFactory. * * @checker_framework.manual #propkey-checker Property File Checker * @checker_framework.manual #bottom-type the bottom type */ @Documented @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) @TargetLocations({TypeUseLocation.EXPLICIT_LOWER_BOUND, TypeUseLocation.EXPLICIT_UPPER_BOUND}) // Subtype relationships are set up by passing this class as a bottom // to the multigraph hierarchy constructor. @SubtypeOf({}) @Retention(RetentionPolicy.RUNTIME) @ImplicitFor(literals = LiteralKind.NULL, typeNames = java.lang.Void.class) @DefaultFor(TypeUseLocation.LOWER_BOUND) public @interface FenumBottom {}





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