private function find_or_initialize_translation_details() {
		$set = get_transient( 'yoast_i18n_' . $this->project_slug . '_' . $this->locale );

		if ( ! $set ) {
			$set = $this->retrieve_translation_details();
			set_transient( 'yoast_i18n_' . $this->project_slug . '_' . $this->locale, $set, DAY_IN_SECONDS );
		}

		return $set;
	}