toIconize(level) {
    if (this.data.overlayIcon === false) return false;
    if (this.data.overlayIcon === true && level >= 1) return true;
    return false;
  }
/**
   *Return true or false for condition to display icon warning
   *
   * @param {level} level
   * @returns
   * @memberof Rule
   */
Return true or false for condition to display icon warning
@param {level} level
@returns
@memberof Rule
Return true or false for condition to display icon warning @param { level } level @returns @memberof Rule
toIconize(level) {
    if (this.data.overlayIcon === false) return false;
    if (this.data.overlayIcon === true && level >= 1) return true;
    return false;
  }
toIconize ( level ) { if ( this . data . overlayIcon === false ) return false ; if ( this . data . overlayIcon === true && level >= 1 ) return true ; return false ; }
Return true or false for condition to display icon warning
 @param {level} level
 @returns
 @memberof Rule
Return true or false for condition to display icon warning @param { level } level @returns @memberof Rule