code: public function getQueries()
      {
          $array = [];
          foreach ($this->getKeywords() as $keyword) {
              $value = $keyword->getData();
              if ($this->getCountableAttributes()) {
                  $value['countableAttributes'] = $this->getCountableAttributes();
              }
              $array[] = $value;
          }
  
          return $array;
      }
docs: SphinxSearch Queries Array.
  
  <code>
  
  //Search single query sintaxe:
  array(
  array(
  'key'    => 'search_key',     // The key to search on
  'values' => array(            // The values to match with
  'value_one',
  'value_two',
  ),
  )
  );
  
  //Search Multi query sintaxe:
  array(
  array(
  'key'    => 'search_key',     // The key to search on
  'values' => array(            // The values to match with
  'value_one',
  'value_two',
  ),
  ),
  array(
  'key'    => 'another_key',    // The key to search on
  'values' => array(            // The values to match with
  'some_value',
  ),
  countableAttributes => array(),  // For Faceted search
  ),
  ...
  );
  
  </code>