code: function(mChanges, sChangeId) {
  			var oResult;
  			Object.keys(mChanges).forEach(function(sControlId) {
  				mChanges[sControlId].some(function(oChange) {
  					if (oChange.getId() === sChangeId) {
  						oResult = oChange;
  						return true;
  					}
  				});
  			});
  			return oResult;
  		}
docs: Function that gets a specific change from a map of changes.
  
  @param {map} mChanges Map of all changes
  @param {string} sChangeId Id of the change that should be retrieved
  @returns {sap.ui.fl.Change | undefined} Returns the change if it is in the map, otherwise undefined