import { CheckedStatePath, GetStateOptions, SetStateOptions, StateChange, StateConfig, StatePath, StatePathValue, StateSubscriptionFunction, SubscribeStateOptions } from './index.js';
import { LitElementStateSubscription } from './litElementStateSubscription.js';
export declare class LitElementStateService<State> {
    private static _globalInstance;
    config: StateConfig<State>;
    private stateSubscriptions;
    private cacheHandlers;
    constructor(initialState?: State, config?: StateConfig<State>);
    private _state;
    get state(): State;
    load(): Promise<void>;
    static getGlobalInstance<State>(): LitElementStateService<State>;
    subscribe<const P extends StatePath<State>>(path: CheckedStatePath<State, P>, subscriptionFunction: StateSubscriptionFunction<StatePathValue<State, P>>, options?: SubscribeStateOptions): LitElementStateSubscription<StatePathValue<State, P>>;
    private unsubscribe;
    get<const P extends StatePath<State>>(path: CheckedStatePath<State, P>, options?: GetStateOptions): StatePathValue<State, P>;
    /** Builds a reusable path constant with the same position-exact validation,
     *  IDE suggestions and predicate auto-typing as the path methods — State is
     *  inferred from this service instance. The exact tuple type is preserved,
     *  so get()/subscribe() calls with the constant stay fully typed (a
     *  StatePath<State> annotation would only shape-check). */
    checkPath<const P extends StatePath<State>>(path: CheckedStatePath<State, P>): P;
    set<const P extends StatePath<State>>(statePartial: StatePathValue<State, P> | StateChange<StatePathValue<State, P>>, options: SetStateOptions & {
        entryPath: CheckedStatePath<State, P>;
    }): void;
    set<Target = never>(statePartial: StateChange<NoInfer<Target>>, options: SetStateOptions & {
        entryPath: StatePath<State>;
    }): void;
    set<TargetedState = State>(statePartial: StateChange<NoInfer<TargetedState>>, options?: SetStateOptions): void;
    private checkSubscriptionChange;
    private getStateData;
    private deepReduce;
}
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