function createObjectMapper(isMapKeys) {
	      return function(object, iteratee, thisArg) {
	        var result = {};
	        iteratee = getCallback(iteratee, thisArg, 3);

	        baseForOwn(object, function(value, key, object) {
	          var mapped = iteratee(value, key, object);
	          key = isMapKeys ? mapped : key;
	          value = isMapKeys ? value : mapped;
	          result[key] = value;
	        });
	        return result;
	      };
	    }
Creates a function for `_.mapKeys` or `_.mapValues`.

@private
@param {boolean} [isMapKeys] Specify mapping keys instead of values.
@returns {Function} Returns the new map function.