# File lib/fog/aws/requests/rds/copy_db_snapshot.rb, line 37
        def copy_db_snapshot(source_db_snapshot_identifier, target_db_snapshot_identifier, copy_tags = false)
          response = Excon::Response.new
          response.status = 200
          snapshot_id =  Fog::AWS::Mock.snapshot_id
          data = self.data[:snapshots]["#{source_db_snapshot_identifier}"]
          data['DBSnapshotIdentifier'] = snapshot_id
          self.data[:snapshots][snapshot_id] = data
          response.body = {
            'requestId' => Fog::AWS::Mock.request_id,
            'CopyDBSnapshotResult' => {'DBSnapshot' => data.dup}
          }
          response
        end