/**
 * TaskExecutor — Runs a single task execution against NeuroLink.generate().
 *
 * Handles:
 * - Isolated mode: fresh generate() call with no history
 * - Continuation mode: loads conversation history, appends new exchange
 * - Retry with exponential backoff for transient errors
 * - Run result construction and logging
 */
import type { AutoresearchEmitter, NeuroLinkExecutable, Task, TaskRunResult, TaskStore } from "../types/index.js";
export declare class TaskExecutor {
    private neurolink;
    private store;
    private emitter?;
    constructor(neurolink: NeuroLinkExecutable, store: TaskStore, emitter?: AutoresearchEmitter | undefined);
    /**
     * Execute a task once. Called by the backend on each scheduled tick.
     * Returns the run result (success or error).
     */
    execute(task: Task): Promise<TaskRunResult>;
    private executeOnce;
}