Module Dom.BeforeUnloadEvent
type t = Dom.beforeUnloadEvent;
include { ... };
let bubbles: t => bool;let cancelable: t => bool;let composed: t => bool;let currentTarget: t => Dom.eventTarget;let defaultPrevented: t => bool;
let eventPhase: t => Webapi__Dom__Types.EventPhase.t;
let target: t => Dom.eventTarget;let timeStamp: t => float;let type_: t => string;let isTrusted: t => bool;let preventDefault: t => unit;let stopImmediatePropagation: t => unit;let stopPropagation: t => unit;
let make: string => t;let makeWithOptions: string => Js.t({.. }) => t;let returnValue: t => string;