import "../_dnt.polyfills.js";
import { type $Callback, type $OffListener } from "./createSignal.js";
export declare class StateSignal<T> implements $ReadyonlyStateSignal<T> {
    #private;
    readonly equals: (newValue: T, oldValue: T) => boolean;
    get state(): T;
    constructor(state: T, equals?: (newValue: T, oldValue: T) => boolean);
    emit: (state: T) => void;
    emitAndClear: (state: T) => void;
    clear: () => void;
    asReadyonly(): $ReadyonlyStateSignal<T>;
    listen: (cb: $Callback<[T]>) => $OffListener;
}
export interface $ReadyonlyStateSignal<T> {
    state: T;
    listen: (cb: $Callback<[T]>) => $OffListener;
}
//# sourceMappingURL=StateSignal.d.ts.map