code: function diffTexts(mTextsMain, mTextsToDiff) {
  			var aDiffs = [];
  			Object.keys(mTextsMain).forEach(function(sKey) {
  				if (!(sKey in mTextsToDiff && mTextsMain[sKey] === mTextsToDiff[sKey])) {
  					aDiffs.push(sKey);
  				}
  			});
  			return aDiffs;
  		}
docs: Checks which keys are not present in mTextsToDiff or their values are different
  
  @param {map} mTextsMain The map of texts to compare
  @param {map} mTextsToDiff The map of texts to compare against
  @returns {Array} An array containing all keys for which there is difference
  @private