import { ISerializedStorageProvider, INetworkClientSideAPI, NetworkDocument } from './types';
import { SerializedStorageProviderHelper } from './helpers';
/**
 * In-memory storage provider, useful for demos and unit tests, where the basic unit of storage is a string.
 */
export declare class MemoryStringSerializedStorageProvider extends SerializedStorageProviderHelper implements ISerializedStorageProvider {
    private readonly m;
    getString(key: string): Promise<string | null>;
    putString(key: string, data: string): Promise<void>;
}
/**
 * In-memory storage provider, useful for demos and unit tests, where the basic unit of storage is a byte-array
 */
export declare class MemoryBytesSerializedStorageProvider extends SerializedStorageProviderHelper implements ISerializedStorageProvider {
    private readonly m;
    getBytes(key: string): Promise<Uint8Array | null>;
    putBytes(key: string, data: Uint8Array): Promise<void>;
}
/**
 * Network provider where storage is a simple in-memory map of document IDs to the set of conflicting
 * head-revisions for that document.
 */
export declare class MemoryNetworkProvider extends INetworkClientSideAPI {
    private readonly db;
    constructor(namespace: string);
    protected _connect(): Promise<void>;
    protected _close(): Promise<void>;
    putDocument(docId: string, versionId: string, data: Uint8Array, obsoliteVersionIds: string[]): Promise<any>;
    getDocuments(): Promise<NetworkDocument[]>;
    getNumVersions(docId: string): Promise<number>;
}