protected function set_type() {
		global $wp_version;

		if ( version_compare( $wp_version, '4.8' ) >= 0 ) {
			$this->type = 'kirki-editor';
			return;
		}

		// Fallback for older WordPress versions.
		$this->type = 'kirki-generic';
		if ( ! is_array( $this->choices ) ) {
			$this->choices = [];
		}
		$this->choices['element'] = 'textarea';
		$this->choices['rows']    = '5';
	}