public static function notices() {
		if ( isset( $_GET['deleted'] ) ) { // WPCS: input var okay, CSRF ok.
			$deleted = absint( $_GET['deleted'] ); // WPCS: input var okay, CSRF ok.

			/* translators: %d: count */
			WC_Admin_Settings::add_message( sprintf( _n( '%d webhook permanently deleted.', '%d webhooks permanently deleted.', $deleted, 'woocommerce' ), $deleted ) );
		}

		if ( isset( $_GET['updated'] ) ) { // WPCS: input var okay, CSRF ok.
			WC_Admin_Settings::add_message( __( 'Webhook updated successfully.', 'woocommerce' ) );
		}

		if ( isset( $_GET['created'] ) ) { // WPCS: input var okay, CSRF ok.
			WC_Admin_Settings::add_message( __( 'Webhook created successfully.', 'woocommerce' ) );
		}

		if ( isset( $_GET['error'] ) ) { // WPCS: input var okay, CSRF ok.
			foreach ( explode( '|', sanitize_text_field( wp_unslash( $_GET['error'] ) ) ) as $message ) { // WPCS: input var okay, CSRF ok.
				WC_Admin_Settings::add_error( trim( $message ) );
			}
		}
	}