ApaiIO\Operations\Search::setAvailability PHP Method

    public function setAvailability($availability)
    {
        $this->parameters['Availability'] = $availability;
        return $this;
    }

 public function testGetAvailability()
 {
     $search = new Search();
     static::assertEquals(null, $search->getAvailability());
     $search->setAvailability('Available');
     static::assertEquals('Available', $search->getAvailability());
 }