/// <reference types="node" />
import { EventEmitter } from "events";
import { Map as iMap } from "immutable";
import { SyncDoc } from "./sync-doc";
import { Client } from "./types";
declare type State = "init" | "ready" | "closed";
declare type Value = {
    [key: string]: any;
};
interface CommMessage {
    header: {
        msg_id: string;
    };
    parent_header: {
        msg_id: string;
    };
    content: any;
    buffers: any[];
}
export interface Message {
}
export declare type ModelState = {
    [key: string]: any;
};
export declare class IpywidgetsState extends EventEmitter {
    private syncdoc;
    private client;
    private table;
    private state;
    private table_options;
    private create_synctable;
    private capture_output;
    private clear_output;
    constructor(syncdoc: SyncDoc, client: Client, create_synctable: Function);
    init(): Promise<void>;
    keys(): any;
    get(model_id: string, type: string): iMap<string, any> | undefined;
    get_model_state(model_id: string): ModelState | undefined;
    get_model_value(model_id: string): Value;
    get_model_buffers(model_id: string): {
        buffer_paths: any[];
        buffers: any[];
    };
    set_model_value(model_id: string, value: Value, fire_change_event?: boolean): void;
    set_model_buffers(model_id: string, buffer_paths: string[], buffers: any[], fire_change_event?: boolean): void;
    set_model_state(model_id: string, state: any, fire_change_event?: boolean): void;
    set(model_id: string, type: "value" | "state" | "buffers", data: any, fire_change_event?: boolean): void;
    save(): Promise<void>;
    close(): Promise<void>;
    private dbg;
    clear(): Promise<void>;
    private set_state;
    get_state(): State;
    private assert_state;
    process_comm_message_from_kernel(msg: CommMessage): Promise<void>;
    process_comm_message_from_browser(msg: CommMessage): Promise<void>;
    capture_output_message(mesg: any): boolean;
}
export {};