lib/dfp.js
function _lookupValueInPair(pair) {
  var keyId = pair[0];
  var value = pair[1];
  return Bluebird.all([
    keyId,
    this.lookupCriteriaValues(value, keyId)
  ]);
}
function _lookupValueInPair(pair) {
  var keyId = pair[0];
  var value = pair[1];
  return Bluebird.all([
    keyId,
    this.lookupCriteriaValues(value, keyId)
  ]);
}
function _lookupValueInPair ( pair ) { var keyId = pair [ 0 ] ; var value = pair [ 1 ] ; return Bluebird . all ( [ keyId , this . lookupCriteriaValues ( value , keyId ) ] ) ; }
Query DFP for the value id of a key value pair.

@param  {Array} pair [0] The id of a key.
[1] The name of a value.
@return {Promise}    Resolves with an Array
[0] The dfp id of the key passed in (unchanged).
[1] The dfp id of value passed in.
Query DFP for the value id of a key value pair .