^^&&^^

Edit File: ContentFilter.php

<?php
/*
 * Copyright 2014 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 and limitations under
 * the License.
 */

class Google_Service_PhotosLibrary_ContentFilter extends Google_Collection
{
  protected $collection_key = 'includedContentCategories';
  public $excludedContentCategories;
  public $includedContentCategories;

public function setExcludedContentCategories($excludedContentCategories)
  {
    $this->excludedContentCategories = $excludedContentCategories;
  }
  public function getExcludedContentCategories()
  {
    return $this->excludedContentCategories;
  }
  public function setIncludedContentCategories($includedContentCategories)
  {
    $this->includedContentCategories = $includedContentCategories;
  }
  public function getIncludedContentCategories()
  {
    return $this->includedContentCategories;
  }
}