/**
  * hashImageOperations
  *
  * @param array $imageSizes
  * @param int $hashLength
  * @return string
  */
 public function hashImageOperations($imageSizes, $hashLength = 8)
 {
     return ImagineUtility::hashImageOperations($imageSizes, $hashLength = 8);
 }
 /**
  * testHashImageOperations
  *
  * @return void
  */
 public function testHashImageOperations()
 {
     $operations = ['SomeModel' => ['t200x150' => ['thumbnail' => ['width' => 200, 'height' => 150]]]];
     $result = ImagineUtility::hashImageOperations($operations);
     $this->assertEquals($result, ['SomeModel' => ['t200x150' => '38b1868f']]);
 }