code: public function getInputSpecification()
      {
          return [
              'name'       => $this->getName(),
              'required'   => true,
              'filters'    => [
                  Filter\StringTrim::class    => [
                      'name' => Filter\StringTrim::class
                  ],
                  Filter\StripNewlines::class => [
                      'name' => Filter\StripNewlines::class
                  ],
                  Filter\StripTags::class     => [
                      'name' => Filter\StripTags::class
                  ]
              ],
              'validators' => [
                  Validator\InArray::class => [
                      'name'    => Validator\InArray::class,
                      'options' => [
                          'haystack' => [
                              1 => 'Yes',
                              0 => 'No'
                          ]
                      ]
                  ]
              ]
          ];
      }
docs: Provide default input rules for this element and attaches an password validator.
  
  @return array