private function imageExists($imagePath, $imageSrc = null)
    {
        // If image name is sewhere parameter
        if (isset($imageSrc)) {
            // Form path to the image
            $imageFullPath = $this->formImagePath($imagePath, $imageSrc);
        } else {
            // Path was already set
            $imageFullPath = $imagePath;
        }

        // Call file service existence method
        return $this->fs->exists($imageFullPath);
    }