| package org.checkerframework.checker.interning.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.DefaultQualifierInHierarchy; |
| import org.checkerframework.framework.qual.InvisibleQualifier; |
| import org.checkerframework.framework.qual.SubtypeOf; |
| |
| /** |
| * The top qualifier for the Interning Checker. It indicates lack of knowledge about whether values |
| * are interned or not. It is not written by programmers, but is used internally by the type system. |
| * |
| * @see org.checkerframework.checker.interning.InterningChecker |
| * @checker_framework.manual #interning-checker Interning Checker |
| */ |
| @Documented |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) |
| @InvisibleQualifier |
| @SubtypeOf({}) |
| @DefaultQualifierInHierarchy |
| public @interface UnknownInterned {} |