code: function (oData, sFileType) {
  				// code extension and properties files do not need formation
  				if ((sFileType === "js") || (sFileType === "properties")) {
  					return oData;
  				}
  				// other files should be formatted to JSON
  				try {
  					oData = JSON.parse(oData);
  					return JSON.stringify(oData, null, '\t');
  				} catch (oError){
  					var ErrorUtils = sap.ui.require("sap/ui/fl/support/apps/contentbrowser/utils/ErrorUtils");
  					ErrorUtils.displayError("Error", oError.name, oError.message);
  					return oData;
  				}
  			}
docs: Pretty printer for specific file types.
  
  @param {Object} oData - data to be formatted
  @param {String} sFileType - file type of data
  @returns {Object} oData - data after formatting
  @public