import type { InjectionKey, Ref, ShallowRef } from 'vue';
import type { Instance } from '@popperjs/core';
import type { Measurable } from './popper';
export type ElPopperInjectionContext = {
    triggerRef: ShallowRef<Measurable | undefined>;
    contentRef: ShallowRef<HTMLElement | undefined>;
    popperInstanceRef: ShallowRef<Instance | undefined>;
};
export type ElPopperContentInjectionContext = {
    arrowRef: Ref<HTMLElement | null>;
    arrowOffset: Ref<number | undefined>;
};
export declare const POPPER_INJECTION_KEY: InjectionKey<ElPopperInjectionContext>;
export declare const POPPER_CONTENT_INJECTION_KEY: InjectionKey<ElPopperContentInjectionContext>;