--- a/jdk/src/java.security.acl/share/classes/java/security/acl/Group.java	Thu Feb 05 11:43:29 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,87 +0,0 @@
-/*
- * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package java.security.acl;
-
-import java.util.Enumeration;
-import java.security.Principal;
-
-/**
- * This interface is used to represent a group of principals. (A principal
- * represents an entity such as an individual user or a company). <p>
- *
- * Note that Group extends Principal. Thus, either a Principal or a Group can
- * be passed as an argument to methods containing a Principal parameter. For
- * example, you can add either a Principal or a Group to a Group object by
- * calling the object's {@code addMember} method, passing it the
- * Principal or Group.
- *
- * @author      Satish Dharmaraj
- */
-public interface Group extends Principal {
-
-    /**
-     * Adds the specified member to the group.
-     *
-     * @param user the principal to add to this group.
-     *
-     * @return true if the member was successfully added,
-     * false if the principal was already a member.
-     */
-    public boolean addMember(Principal user);
-
-    /**
-     * Removes the specified member from the group.
-     *
-     * @param user the principal to remove from this group.
-     *
-     * @return true if the principal was removed, or
-     * false if the principal was not a member.
-     */
-    public boolean removeMember(Principal user);
-
-    /**
-     * Returns true if the passed principal is a member of the group.
-     * This method does a recursive search, so if a principal belongs to a
-     * group which is a member of this group, true is returned.
-     *
-     * @param member the principal whose membership is to be checked.
-     *
-     * @return true if the principal is a member of this group,
-     * false otherwise.
-     */
-    public boolean isMember(Principal member);
-
-
-    /**
-     * Returns an enumeration of the members in the group.
-     * The returned objects can be instances of either Principal
-     * or Group (which is a subclass of Principal).
-     *
-     * @return an enumeration of the group members.
-     */
-    public Enumeration<? extends Principal> members();
-
-}