docs: function(disabled){
        disabled = !!resolveValue(this, this.setDisabled, disabled, 'disabledRA_');
  
        if (this.disabled !== disabled)
        {
          this.disabled = disabled;
  
          if (!this.contextDisabled)
            if (disabled)
              this.emit_disable();
            else
              this.emit_enable();
  
          return true;
        }
  
        return false;
      }