Method mount

packages/runtime-core/src/apiCreateApp.ts:66–66

(
    rootContainer: HostElement | string,
    /**
     * @internal
     */
    isHydrate?: boolean,
    /**
     * @internal
     */
    namespace?: boolean | ElementNamespace,
    /**
     * @internal
     */
    vnode?: VNode,
  )

    directive: Directive<HostElement, Value, Modifiers, Arg>,
  ): this
  mount(
    rootContainer: HostElement | string,
    /**
     * @internal