src/Lib/ProfferPath.php
public function setPrefixes(array $thumbnailSizes)
    {
        foreach ($thumbnailSizes as $prefix => $dimensions) {
            array_push($this->prefixes, $prefix);
        }
    }
public function setPrefixes(array $thumbnailSizes)
    {
        foreach ($thumbnailSizes as $prefix => $dimensions) {
            array_push($this->prefixes, $prefix);
        }
    }
public function setPrefixes ( array $ thumbnailSizes ) { foreach ( $ thumbnailSizes as $ prefix => $ dimensions ) { array_push ( $ this -> prefixes , $ prefix ) ; } }
Take the configured thumbnail sizes and store the prefixes

@param array $thumbnailSizes The 'thumbnailSizes' dimension of the behaviour configuration array
@return void
Take the configured thumbnail sizes and store the prefixes