toggle(arg1) {
    /** Getter */
    if ( arg1 === undefined )
      return this._toggle;
    
    /** Setter */
    else if ( typeof arg1 == 'boolean' )
      this._toggle = arg1; 
    
    /** Handle errors */
    else
      throw new TypeError(`ButtonGroup.toggle(): Invalid signature (${typeof arg1}).`);
    
    /** Allow for call chaining */
    return this;
  }
/**
   * Toggle boolean getter/setter.
   * @signature toggle() Get the toggle boolean
   * @signature toggle(boolean) Set the toggle boolean as (boolean)
   * @return This object for call chaining
   */
Toggle boolean getter/setter.
@signature toggle() Get the toggle boolean
@signature toggle(boolean) Set the toggle boolean as (boolean)
@return This object for call chaining
Toggle boolean getter / setter . @signature toggle () Get the toggle boolean @signature toggle ( boolean ) Set the toggle boolean as ( boolean ) @return This object for call chaining
toggle(arg1) {
    if ( arg1 === undefined )
      return this._toggle;
    else if ( typeof arg1 == 'boolean' )
      this._toggle = arg1; 
    else
      throw new TypeError(`ButtonGroup.toggle(): Invalid signature (${typeof arg1}).`);
    return this;
  }
toggle ( arg1 ) { if ( arg1 === undefined ) return this . _toggle ; else if ( typeof arg1 == 'boolean' ) this . _toggle = arg1 ; else throw new TypeError ( ` ${ typeof arg1 } ` ) ; return this ; }
Toggle boolean getter/setter.
Toggle boolean getter / setter .
/** Getter */ /** Setter */ /** Handle errors */ /** Allow for call chaining */