export type Setter<T> = ((prev: T) => T) | T;
export type Watch = (fn: () => void, immediate?: boolean) => () => void;
export type Signal<T> = {
    readonly get: () => T;
    readonly set: (v: Setter<T>) => void;
    readonly peek: () => T;
    readonly use: () => T;
    readonly watch: Watch;
};
export type ReadonlySignal<T> = {
    readonly get: () => T;
    readonly peek: () => T;
    readonly watch: Watch;
    readonly use: () => T;
};
export interface SignalOptions<T> {
    readonly equal?: (l: T, r: T) => boolean;
    readonly bind?: (v: T) => T;
    readonly postUpdate?: () => void;
}