import { ComponentInternalInstance, ComputedRef, Ref } from 'vue';
export declare type Nullable<T> = null | T;
export interface IElDropdownInstance {
    instance?: ComponentInternalInstance;
    dropdownSize?: ComputedRef<string>;
    visible?: Ref<boolean>;
    handleClick?: () => void;
    commandHandler?: (...arg: any[]) => void;
    show?: () => void;
    hide?: () => void;
    trigger?: ComputedRef<string>;
    hideOnClick?: ComputedRef<boolean>;
    triggerElm?: ComputedRef<Nullable<HTMLButtonElement>>;
}