public function setTransliterationReplacements($replacements)
        {
            if(!is_array($replacements)) {
                throw new \Thin\Exception(__METHOD__ . ': method expects a keyed array as argument.', 500);
            }
            foreach($replacements as $key => $value) {
                $this->transliteration[$key] = $value;
            }
            return $this;
        }