import { MaybeEventTarget } from '../../types.mjs';
import '@usels/core';

type NormalizedTarget = Element | Document | Window;
/**
 * Normalizes one or more observable-element targets into a plain array.
 *
 * - `Ref$<T>` / `OpaqueObservable<T>` — calls `get()` which auto-unwraps
 * - `Document` / `Window` — passed through as-is
 * - `null` — filtered out
 *
 * When called inside `useObserve`, reading `get()` registers observable
 * dependencies so the observer re-fires when a tracked target changes.
 */
declare function normalizeTargets(target?: MaybeEventTarget | MaybeEventTarget[]): NormalizedTarget[];

export { type NormalizedTarget, normalizeTargets };