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Copyright 2012 Facebook, Inc.Licensed under the Apache License, Version 2.0 (the "License"); you maynot use this file except in compliance with the License. You may obtaina copy of the License at http://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS, WITHOUTWARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See theLicense for the specific language governing permissions and limitationsunder the License.