import { Ref, TemplateRef } from 'vue';
import { Placement, Alignment } from '../../declaration';
export interface AttachInfo {
    placement?: Placement;
    align?: Alignment;
    margin?: number;
    followWidth?: boolean;
}
export declare function usePositioning(target: string, attachment: TemplateRef<HTMLElement>): {
    isVisible: Ref<boolean, boolean>;
    computedPlacement: Ref<"top" | "right" | "bottom" | "left" | "middle" | null, "top" | "right" | "bottom" | "left" | "middle" | null>;
    appear: (attachInfo?: AttachInfo) => void;
    disappear: () => void;
};