import { Terminal } from '@xterm/xterm';
import { type ITerminalDimensions } from '@xterm/addon-fit';
import { Session, type SessionOptions } from './common';
export declare class XTermSession extends Session {
    private unattach;
    private fitAddon;
    private clipboardAddon;
    xterm: Terminal;
    socket: WebSocket | null;
    constructor(options: SessionOptions);
    onSendDimensions: (dimensions: ITerminalDimensions) => string;
    onSendBefore: (data: string) => string;
    onMessage: (event: MessageEvent) => void;
    private onResize;
    private onConnected;
    private onDisconnected;
    private debounceSendDimensions;
    private unattachEventHandlers;
    private sendInChunks;
    private attachEventHandlers;
    private resize;
    private focus;
    private proposeDimensions;
    connect(): Promise<void>;
    disconnect(): Promise<void>;
}
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