code: function _convertPairToObject(pair) {
    var keyId = pair[0];
    var valueIds = pair[1];
    return {
      keyId: keyId,
      valueIds: valueIds
    };
  }
docs: Convert an array of DFP key and value ids to an object.
  
  @param  {Array} pair [0] The id of a key.
  [1] The id of a value.
  @return {Object}     An object of the ids.