import type { RuntimeConfigLoadResult, RuntimeConfigStoreContract } from './types';
export declare class RuntimeConfigStore<T> implements RuntimeConfigStoreContract<T> {
    private readonly cacheName;
    private readonly db?;
    private readonly fallbackStore;
    constructor(cacheName: string, appId?: string, indexedDbName?: string);
    get(key: string): Promise<RuntimeConfigLoadResult<T> | null>;
    set(key: string, value: RuntimeConfigLoadResult<T>): Promise<void>;
    remove(key: string): Promise<void>;
    private buildKey;
}