Disclosure: DefineComponent<
    ExtractPropTypes<
        {
            defaultOpen: { default: boolean; type: BooleanConstructor };
            open: { default: undefined; type: PropType<undefined | boolean> };
        },
    >,
    () => VNode<RendererNode, RendererElement, { [key: string]: any }>,
    {},
    {},
    {},
    ComponentOptionsMixin,
    ComponentOptionsMixin,
    "update:open"[],
    "update:open",
    PublicProps,
    ToResolvedProps<
        ExtractPropTypes<
            {
                defaultOpen: { default: boolean; type: BooleanConstructor };
                open: { default: undefined; type: PropType<undefined | boolean> };
            },
        >,
        "update:open"[],
    >,
    { defaultOpen: boolean; open: undefined
    | boolean },
    {},
    {},
    {},
    string,
    ComponentProvideOptions,
    true,
    {},
    any,
> = ...

A single expandable section built on native <details>, which handles open/close (and exclusive groups, via the name attribute) on its own. Open state works uncontrolled (defaultOpen) or with v-model:open.