code: function isIcon(source) {
              if (!source) {
                  return false;
              }
  
              var result = window.URI.parse(source);
              return (result.protocol && result.protocol == 'sap-icon');
          }
docs: ================================================================================ Helper methods ================================================================================ 
  Checks if an sap.ui.core.URI parameter is an icon src or not.
  
  @protected
  @param {string} source The source to be checked.
  @returns {boolean} The result of the check.