import { type ObjectStorageBackend } from '../../../src/data/backend/api/object-storage-backend.js';
import { type StorageOperation } from '../../../src/data/backend/api/storage-operation.js';
export declare class SimpleObjectStorageBackend implements ObjectStorageBackend {
    map: Map<string, object>;
    constructor(map: Map<string, object>);
    readObject(key: string): Promise<object>;
    writeObject(key: string, data: object): Promise<void>;
    list(): Promise<string[]>;
    readBytes(key: string): Promise<Buffer>;
    writeBytes(key: string, data: Buffer): Promise<void>;
    delete(key: string): Promise<void>;
    isSupported(_operation: StorageOperation): boolean;
}