1 /*
   2  * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.lang.reflect;
  27 
  28 /**
  29  * {@code AnnotatedWildcardType} represents the potentially annotated use of a
  30  * wildcard type argument, whose upper or lower bounds may themselves represent
  31  * annotated uses of types.
  32  *
  33  * @since 1.8
  34  */
  35 public interface AnnotatedWildcardType extends AnnotatedType {
  36 
  37     /**
  38      * Returns the potentially annotated lower bounds of this wildcard type.
  39      * If no lower bound is explicitly declared, the lower bound is the
  40      * type of null. In this case, a zero length array is returned.
  41      *
  42      * @return the potentially annotated lower bounds of this wildcard type or
  43      * an empty array if no lower bound is explicitly declared.
  44      * @see WildcardType#getLowerBounds()
  45      */
  46     AnnotatedType[] getAnnotatedLowerBounds();
  47 
  48     /**
  49      * Returns the potentially annotated upper bounds of this wildcard type.
  50      * If no upper bound is explicitly declared, the upper bound is
  51      * unannotated {@code Object}
  52      *
  53      * @return the potentially annotated upper bounds of this wildcard type
  54      * @see WildcardType#getUpperBounds()
  55      */
  56     AnnotatedType[] getAnnotatedUpperBounds();
  57 
  58     /**
  59      * Returns the potentially annotated type that this type is a member of, if
  60      * this type represents a nested type. For example, if this type is
  61      * {@code @TA O<T>.I<S>}, return a representation of {@code @TA O<T>}.
  62      *
  63      * <p>Returns {@code null} for an {@code AnnotatedType} that is an instance
  64      *     of {@code AnnotatedWildcardType}.
  65      *
  66      * @return {@code null}
  67      *
  68      * @since 1.9
  69      */
  70     @Override
  71     AnnotatedType getAnnotatedOwnerType();
  72 }
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