import type { RuntimeContentItem } from "../code-mode/types.ts";
import type { TsWorkerInput, TsWorkerOutcome } from "./worker-protocol.ts";
interface WorkerCallbacks {
    output(items: RuntimeContentItem[]): void;
    notify(text: string): void;
    yield(): void;
    request(operation: "tool" | "import", id: number, name: string, input: unknown): Promise<unknown>;
}
/** A process owns cwd, its heap, timers and its ordinary subprocess tree. The compiler stays in Pi. */
export declare class TsExecutionWorker {
    private readonly worker;
    private readonly requests;
    private stopPromise;
    private readonly closed;
    private nextRun;
    private active;
    private failure;
    private live;
    private liveReady;
    constructor(options: {
        cwd: string;
        heapMiB: number;
    });
    execute(input: TsWorkerInput, callbacks: WorkerCallbacks): Promise<TsWorkerOutcome>;
    stop(): Promise<void>;
    private stopTree;
    private request;
}
export {};