DialogHTMLAttributes
interface DialogHTMLAttributes <T extends EventTarget = HTMLDialogElement> extends HTMLAttributes<T> {
closedby?: Signalish<"none" | "closerequest" | "any" | undefined>;
closedBy?: Signalish<"none" | "closerequest" | "any" | undefined>;
onCancel?: GenericEventHandler<T> | undefined;
onClose?: GenericEventHandler<T> | undefined;
open?: Signalish<boolean | undefined>;
}