import * as russh from './native';
import { Observable } from 'rxjs';
import { Destructible } from './helpers';
import { ClientEventInterface } from './events';
export declare class NewChannel {
    private inner;
    constructor(inner: russh.NewSshChannel | null);
    take(): russh.NewSshChannel;
}
export interface PTYSize {
    columns: number;
    rows: number;
    pixWidth: number;
    pixHeight: number;
}
export interface X11Options {
    singleConnection: boolean;
    authProtocol: string;
    authCookie: string;
    screenNumber: number;
}
export declare class Channel extends Destructible {
    readonly id: number;
    private inner;
    readonly data$: Observable<Uint8Array>;
    readonly extendedData$: Observable<[number, Uint8Array]>;
    readonly eof$: Observable<void>;
    readonly closed$: Observable<void>;
    constructor(id: number, inner: russh.SshChannel, events: ClientEventInterface);
    take(): Promise<russh.SshChannel>;
    requestShell(): Promise<void>;
    requestExec(command: string): Promise<void>;
    requestAgentForwarding(): Promise<void>;
    requestPTY(terminal: string, opts: PTYSize): Promise<void>;
    requestX11Forwarding(options: X11Options): Promise<void>;
    resizePTY(size: PTYSize): Promise<void>;
    write(data: Uint8Array): Promise<void>;
    eof(): Promise<void>;
    close(): Promise<void>;
}