ction get_classess(): array {
		return [
			'error'     => 'failed',
			'new'       => 'on-hold',
			'created'   => 'processing created',
			'confirmed' => 'processing confirmed',
			'manifest'  => 'processing manifest',
		];
	}

	/**
	 * @return string[]
	 */
	private function get_statuses(): array {
		return [
			'error'     => __( 'Error', 'flexible-shipping' ),
			'new'       => __( 'New shipment', 'flexible-shipping' ),
			'created'   => __( 'Created', 'flexible-shipping' ),
			'confirmed' => __( 'Confirmed', 'flexible-shipping' ),
			'manifest'  => __( 'Manifest created', 'flexible-shipping' ),
		];
	}
}