import type { ManagedSession, PTYManagerOptions, SessionRunner, StartFreshSessionOptions, StartSessionOptions, UserMessage } from "./types";
export declare class PTYManager implements SessionRunner {
    private sessions;
    private onOutput;
    private onStatusChange;
    private onReady;
    private onPermissionChange;
    private onPhaseChange;
    private onPromptSuggestionChange;
    private onLiveQuestion;
    private onLiveQuestionGone;
    private onUserMessage;
    private permissionOpen;
    private oscTail;
    private turnOpen;
    private progressSeen;
    private progressTail;
    private lastDetectAt;
    private lastScreenQuestionKey;
    private shellPromptOpen;
    private closedGateKey;
    private pendingReady;
    private queuedInputs;
    private log;
    private firstChunkAt;
    private chunkIndex;
    private lastChunkAt;
    private quietCheckers;
    private readyFallbackTimers;
    private startPromises;
    constructor(options?: PTYManagerOptions);
    start(sessionId: string, options: StartSessionOptions): Promise<ManagedSession>;
    private doStart;
    startFresh(options: StartFreshSessionOptions): Promise<ManagedSession>;
    sendKeys(sessionId: string, keys: string): void;
    sendRawKeys(sessionId: string, keys: string): void;
    sendInput(sessionId: string, input: string): number;
    private writeSubmit;
    private flushQueuedInputs;
    /**
     * Resize a live PTY. Silent when the session is unknown or has no process:
     * a terminal emitting SIGWINCH races session exit by nature, and throwing
     * would turn an ordinary window drag into an error the caller must catch.
     */
    resize(sessionId: string, cols: number, rows: number): void;
    cancel(sessionId: string): void;
    killPid(pid: number): void;
    putOnHold(sessionId: string, signal?: NodeJS.Signals): void;
    getOutput(sessionId: string): string;
    getOutputLines(sessionId: string, maxLines: number): Promise<string[]>;
    getInputHistory(sessionId: string): UserMessage[];
    getPid(sessionId: string): number | null;
    private recordUserMessage;
    getSession(sessionId: string): ManagedSession | null;
    hasSession(sessionId: string): boolean;
    listSessions(): ManagedSession[];
    dispose(): void;
    private handleOutput;
    private detectLivePrompts;
    private handleQuiet;
    /** Update the open turn from OSC 9;4 in this chunk; true when it just closed. */
    private trackProgress;
    private openTurnOnSubmit;
    private recheckReadyLogged;
    private recheckReadyFromScreen;
    private armReadyFallback;
    private clearReadyFallback;
    /**
     * Record the agent's phase and notify only on a real change.
     *
     * The change guard is load-bearing, not an optimisation: the scrape pass runs
     * on every chunk, so an unguarded setter would fire the callback — and the
     * WS frame behind it — several times a second for the entire duration of a
     * turn while reporting the same value.
     */
    private setPhase;
    /** Record the composer suggestion and notify only on a real change. */
    private setPromptSuggestion;
    private markReady;
    private handleExit;
}
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