code: function(aMappings) {
  			check(Array.isArray(aMappings), "aMappings must be an Array");
  
  			var mChanges = this.oConfiguration._collect();
  			this.aLegacyDateCalendarCustomizing = mChanges.legacyDateCalendarCustomizing = aMappings;
  			this.oConfiguration._endCollect();
  			return this;
  		}
docs: Allows to specify the customizing data for Islamic calendar support
  
  @param {object[]} aMappings contains the customizing data for the support of Islamic calendar.
  @param {string} aMappings[].dateFormat The date format
  @param {string} aMappings[].islamicMonthStart The Islamic date
  @param {string} aMappings[].gregDate The corresponding Gregorian date
  @return {sap.ui.core.Configuration.FormatSettings} Returns <code>this</code> to allow method chaining
  @public