import { type JupyterMessage } from "../jupyter-wire.ts";
export declare class JupyterKernelConnection {
    private readonly deno;
    private readonly env;
    private readonly maxHeapMiB;
    private readonly session;
    private readonly onFailure;
    private readonly onOutput;
    private process;
    private tempDir;
    private connection;
    private shell;
    private control;
    private iopub;
    private iopubPump;
    private startup;
    private stderr;
    constructor(options: {
        deno: string;
        maxHeapMiB: number;
        env: NodeJS.ProcessEnv;
        session: string;
        onFailure: (error: Error) => void;
        onOutput: (message: JupyterMessage) => void;
    });
    start(signal?: AbortSignal): Promise<void>;
    interrupt(): Promise<void>;
    shutdown(): Promise<void>;
    private startInner;
    private waitForKernelReady;
    shellRequest(type: string, content: Record<string, unknown>, timeoutMs?: number, signal?: AbortSignal): Promise<JupyterMessage>;
    sendShellRequest(request: JupyterMessage, timeoutMs?: number, requestType?: string, signal?: AbortSignal): Promise<JupyterMessage>;
    private runIopubPump;
    dispose(): void;
}