code: protected function buildInputScreen($metaModel)
      {
          $metaModelName = $this->getMetaModelName($metaModel);
          $inputScreen   = $this->information[$metaModelName][self::INPUTSCREEN];
  
          if (!is_object($inputScreen)) {
              $inputScreen = $this->information[$metaModelName][self::INPUTSCREEN] = new InputScreen(
                  $this->container,
                  $inputScreen['row'],
                  $inputScreen['properties'],
                  $inputScreen['conditions'],
                  $inputScreen['groupSort']
              );
          }
  
          return $inputScreen;
      }
docs: Build an input screen instance and return it.
  
  @param string $metaModel The name or id of the MetaModel.
  
  @return IInputScreen