package org.checkerframework.checker.lock.qual;
import java.lang.annotation.Documented;
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.DefaultInUncheckedCodeFor;
import org.checkerframework.framework.qual.DefaultQualifierInHierarchy;
import org.checkerframework.framework.qual.DefaultQualifierInHierarchyInUncheckedCode;
import org.checkerframework.framework.qual.InvisibleQualifier;
import org.checkerframework.framework.qual.SubtypeOf;
import org.checkerframework.framework.qual.TypeUseLocation;
/**
* Indicates that an expression is not known to be {@link LockHeld}.
*
* <p>This annotation may not be written in source code; it is an implementation detail of the
* checker.
*
* @see LockHeld
* @checker_framework.manual #lock-checker Lock Checker
*/
@InvisibleQualifier
@SubtypeOf({}) // The top type in the hierarchy
@Documented
@DefaultQualifierInHierarchy
@DefaultFor({TypeUseLocation.LOWER_BOUND})
@DefaultQualifierInHierarchyInUncheckedCode
@DefaultInUncheckedCodeFor({TypeUseLocation.PARAMETER, TypeUseLocation.LOWER_BOUND})
@Retention(RetentionPolicy.RUNTIME)
@Target({})
public @interface LockPossiblyHeld {}