import { Component, RefMap } from './component';
/**
 * Adds given element as a named ref
 */
export declare function setRef(host: Component, key: string, elem: Element): void;
/**
 * Removes ref for given key
 */
export declare function removeRef(host: Component, key: string): void;
export declare function setPendingRef(pending: RefMap, key: string | void, elem: Element | null): void;
export declare function finalizePendingRefs(host: Component, pending: RefMap): void;