import type { Ref } from 'react';
/**
 * A cleanup function returned from a RefCallback.
 */
export type CleanupFn = () => void;
/**
 * A React {@link Ref} with `null` removed.
 */
export type NonNullRef<T> = Exclude<Ref<T>, null>;
/**
 * @param ref {@link NonNullRef} to assign to.
 * @param value Value to assign to the ref.
 * @returns An appropriate cleanup function for the ref.
 */
export declare function assignToRef<T>(ref: NonNullRef<T>, value: T): CleanupFn;
//# sourceMappingURL=react-ref.d.ts.map