export declare class MCardStore {
    private dbPromise;
    constructor(dbName?: string);
    putCard(hash: string, content: any): Promise<void>;
    getCard(hash: string): Promise<any | undefined>;
    setHandle(handle: string, newHash: string): Promise<void>;
    resolveHandle(handle: string): Promise<any | undefined>;
    getHandleHistory(handle: string): Promise<any[]>;
    getHandlesByHash(hash: string): Promise<any[]>;
    getAllCards(): Promise<any[]>;
    getAllHandles(): Promise<any[]>;
    getAllHistory(): Promise<any[]>;
}
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