private static function _helper_auth_refresh() {
		if ( empty( $_GET['wc-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['wc-helper-nonce'] ), 'refresh' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
			self::log( 'Could not verify nonce in _helper_auth_refresh' );
			wp_die( 'Could not verify nonce' );
		}

		/**
		 * Fires when Helper subscriptions are refreshed.
		 */
		do_action( 'woocommerce_helper_subscriptions_refresh' );

		$redirect_uri = add_query_arg(
			array(
				'page'             => 'wc-addons',
				'section'          => 'helper',
				'filter'           => self::get_current_filter(),
				'wc-helper-status' => 'helper-refreshed',
			),
			admin_url( 'admin.php' )
		);

		self::_flush_authentication_cache();
		self::_flush_subscriptions_cache();
		self::_flush_updates_cache();

		wp_safe_redirect( $redirect_uri );
		die();
	}