Google API Cache Abstract (Cache/Abstract.php)

Abstract base class defining cache storage interface for Google client libraries; extend to implement concrete caching mechanisms (memory, file, APC, etc.).

// Source: https://github.com/micwallace/wallacepos | License: LGPL-3.0 | Modified files must remain under LGPL-3.0
// Modifications to this file must remain under LGPL-3.0.
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<?php
/*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions an

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