import { getNestedValue, setNestedValue } from './impl';
export { getNestedValue, type KeyValueStore, KVStore, setNestedValue };
type KeyValueStore = {
    getBroadcastChannel: () => BroadcastChannel | undefined;
    setBroadcastChannel: (broadcastChannel: BroadcastChannel) => void;
    get: (key: string) => unknown;
    set: (key: string, value: unknown) => void;
    delete: (key: string) => void;
    reset: () => void;
    readonly size: number;
};
type CreateKVStoreOptions = {
    inMemStorage: Map<string, unknown>;
    broadcastChannel?: BroadcastChannel;
    memoryOnly: boolean;
};
declare class KVStore implements KeyValueStore {
    private inMemStorage;
    private broadcastChannel?;
    private memoryOnly;
    constructor(options: CreateKVStoreOptions);
    getBroadcastChannel(): BroadcastChannel | undefined;
    setBroadcastChannel(broadcastChannel: BroadcastChannel): void;
    get(key: string): unknown;
    set(key: string, value: unknown): void;
    delete(key: string): void;
    reset(): void;
    get size(): number;
}