import type { MutableRefObject, RefObject } from 'react';
import type { Gettable } from "../utils/basic.js";
export type AtomBaseTarget = Element | null;
export type GlobalTarget = Window | Document;
export type BaseTarget<T extends AtomBaseTarget = AtomBaseTarget> = MutableRefObject<T | undefined | null> | Parameters<Document['querySelector']>[0] | T | undefined | null;
export type ElementTarget<T extends AtomBaseTarget = AtomBaseTarget> = Gettable<BaseTarget<T>> | false;
export declare function normalizeElement<T extends GlobalTarget>(target: Gettable<T>): T;
export declare function normalizeElement<T extends Element | null>(target: Gettable<T | RefObject<T>>): T;
export declare function normalizeElement<T extends keyof HTMLElementTagNameMap>(target: Gettable<T>): HTMLElementTagNameMap[T];
export declare function normalizeElement<T extends keyof SVGElementTagNameMap>(target: Gettable<T>): SVGElementTagNameMap[T];
export declare function normalizeElement<A extends AtomBaseTarget = AtomBaseTarget, T extends ElementTarget<A> = ElementTarget<A>>(target: T): A | null;