anslators: %s is a comma separated list of metakey names.
							_n(
								'%s is an internal meta key. Use --props to set it.',
								'%s are internal meta keys. Use --props to set them.',
								count( $possibly_internal_keys ),
								'woocommerce'
							),
							implode( ', ', $possibly_internal_keys )
						)
					)
				);
			}
		}

		if ( ! empty( $fields['props'] ) ) {
			$invalid_props = array_filter(
				$fields['props'],
				function ( $prop_name ) use ( $order ) {
					return ! method_exists( $order, "get_{$prop_name}" );
				}
			);

			if ( ! empty( $invalid_props ) ) {
				throw new \Exception(
					esc_html(
						sprintf(
							// translators: %s is a list of order property names.
							_n(
								'%s is not a valid order property.',
								'%s are not valid order properties.',
								count( $invalid_props ),
								'woocommerce'
							),
							implode( ', ', $invalid_props )
						)
					)
				);
			}
		}
	}
}