import type { CSSProperties, ComputedRef, InjectionKey, Ref } from 'vue';
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import type { Instance } from '@popperjs/core';
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export declare type Measurable = {
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getBoundingClientRect: () => DOMRect;
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};
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/**
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* triggerRef indicates the element that triggers popper
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* contentRef indicates the element of popper content
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* referenceRef indicates the element that popper content relative with
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*/
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export declare type ElPopperInjectionContext = {
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triggerRef: Ref<Measurable | undefined>;
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contentRef: Ref<HTMLElement | undefined>;
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popperInstanceRef: Ref<Instance | undefined>;
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referenceRef: Ref<Measurable | undefined>;
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role: ComputedRef<string>;
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};
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export declare type ElPopperContentInjectionContext = {
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arrowRef: Ref<HTMLElement | undefined>;
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arrowOffset: Ref<number | undefined>;
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arrowStyle: ComputedRef<CSSProperties>;
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};
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export declare const POPPER_INJECTION_KEY: InjectionKey<ElPopperInjectionContext>;
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export declare const POPPER_CONTENT_INJECTION_KEY: InjectionKey<ElPopperContentInjectionContext>;
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