import { type Ref } from "vue";
import { useFocusTrap } from "@vueuse/integrations/useFocusTrap";
export type CloseReason = "escape" | "outside";
export type InitialFocus = string | ((root: HTMLElement) => HTMLElement | null | undefined);
export declare function usePopupTrap(opts: {
    isOpen: Ref<boolean>;
    onRequestClose?: (reason: CloseReason, ev?: Event) => void;
    popupSelector?: string | string[];
    triggerEl?: Ref<HTMLElement | null>;
    resolvePopupEl?: () => HTMLElement | null;
    initialFocus?: InitialFocus;
    focusTrapOptions?: Parameters<typeof useFocusTrap>[1];
    returnFocusToTrigger?: boolean;
}): {
    popupRef: import("vue").ShallowRef<HTMLElement, HTMLElement>;
    activate: (opts?: import("focus-trap").ActivateOptions) => void;
    deactivate: (opts?: import("focus-trap").DeactivateOptions) => void;
    lastCloseReason: Readonly<Ref<CloseReason, CloseReason>>;
    setPopupEl: (el: HTMLElement | null) => HTMLElement;
};