export interface DocSource {
    /**
     * for debug
     */
    name: string;
    pull(docId: string, state: Uint8Array): Promise<{
        data: Uint8Array;
        state?: Uint8Array;
    } | null> | {
        data: Uint8Array;
        state?: Uint8Array;
    } | null;
    push(docId: string, data: Uint8Array): Promise<void> | void;
    /**
     * Subscribe to updates from peer
     *
     * @param cb callback to handle updates
     * @param disconnect callback to handle disconnect, reason can be something like 'network-error'
     *
     * @returns unsubscribe function
     */
    subscribe(cb: (docId: string, data: Uint8Array) => void, disconnect: (reason: string) => void): Promise<() => void> | (() => void);
}
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