OpenSkill\Datatable\Data\ResponseData::filteredDataCount PHP Метод

    public function filteredDataCount()
    {
        if (is_null($this->dataCount)) {
            return count($this->data);
        }
        return $this->dataCount;
    }

 public function testResponseDataCustomFilteredLength()
 {
     $rp = new ResponseData(new Collection([]), 456, 123);
     $this->assertSame(456, $rp->totalDataCount());
     $this->assertSame(123, $rp->filteredDataCount());
     $this->assertEquals(new Collection([]), $rp->data());
 }