import { Buffer } from "node:buffer";
import { type NativePtyLoadResult, type NativePtyUnavailableDiagnostic } from "./native-loader.ts";
import type { TerminalSessionBackend, TerminalSessionDataHandler, TerminalSessionDependencies, TerminalSessionExit, TerminalSessionExitState, TerminalSessionOperationResult, TerminalSessionOptions, TerminalSessionSignal, TerminalSessionTerminateOptions } from "./session-types.ts";
export type { CreateNativeTerminalSession, TerminalSessionBackend, TerminalSessionDataHandler, TerminalSessionDependencies, TerminalSessionExit, TerminalSessionExitError, TerminalSessionExitState, TerminalSessionHandle, TerminalSessionNativeOptions, TerminalSessionOperationResult, TerminalSessionOptions, TerminalSessionSignal, TerminalSessionTerminateOptions, } from "./session-types.ts";
export declare class TerminalSession {
    readonly options: TerminalSessionOptions;
    private readonly nativeLoadResult;
    private readonly createNativeSessionDependency?;
    private readonly env;
    private readonly runtimeVersions;
    private readonly bunRuntime;
    private readonly rawTailLimit;
    private readonly dataHandlers;
    private readonly exitHandlers;
    private backendHandle;
    private backendValue;
    private exitPromise;
    private settledExit;
    private rawTailBuffer;
    private rawByteCount;
    private lastSignal;
    private unsubscribeBackendData;
    constructor(options?: TerminalSessionOptions, dependencies?: TerminalSessionDependencies);
    get native(): NativePtyLoadResult;
    get unavailableDiagnostic(): NativePtyUnavailableDiagnostic | null;
    get backend(): TerminalSessionBackend | null;
    get command(): string;
    get status(): "not_started" | "running" | "exited";
    get exited(): boolean;
    get isExited(): boolean;
    get exitResult(): TerminalSessionExit | null;
    get rawTail(): Buffer;
    get rawOutputBytes(): number;
    get exitState(): TerminalSessionExitState;
    start(): this;
    onData(handler: TerminalSessionDataHandler): () => void;
    onExit(handler: () => void): () => void;
    write(data: string | Uint8Array): TerminalSessionOperationResult;
    resize(cols: number, rows: number): TerminalSessionOperationResult;
    kill(signal?: TerminalSessionSignal): TerminalSessionOperationResult;
    stop(): TerminalSessionOperationResult;
    /**
     * Stop the session for real: signal (SIGTERM by default), wait `graceMs` for
     * the exit, then escalate to SIGKILL and wait `forcedGraceMs`. Resolves with
     * the settled exit, or `null` when the process outlived both waits (or was
     * never started).
     */
    terminate(options?: TerminalSessionTerminateOptions): Promise<TerminalSessionExit | null>;
    waitExit(): Promise<TerminalSessionExit>;
    private waitBackendExit;
    /** Await the settled exit for at most `graceMs`; `null` means it did not settle in time. */
    private waitExitWithin;
    private settleExit;
    private emitData;
    private appendRawTail;
}
export declare function createTerminalSession(options?: TerminalSessionOptions, dependencies?: TerminalSessionDependencies): TerminalSession;
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