/**
 * Research worker — orchestrates the full experiment loop.
 *
 * Wires tools, state, policy, and NeuroLink generate() into a
 * single experiment cycle. Can run standalone or via TaskManager.
 *
 * Emits autoresearch:* lifecycle events through an injected emitter
 * and wraps key operations in OpenTelemetry spans for observability.
 */
import type { AutoresearchEmitter, ExperimentPhase, ExperimentRecord, PhaseToolPolicy, ResearchConfig, ResearchState } from "../types/index.js";
export declare class ResearchWorker {
    private config;
    private stateStore;
    private repoPolicy;
    private runner;
    private recorder;
    private promptCompiler;
    private initialized;
    /** Event emitter injected by NeuroLink/TaskManager for lifecycle events. */
    private emitter?;
    constructor(configInput: Partial<ResearchConfig> & {
        repoPath: string;
        mutablePaths: string[];
        runCommand: string;
        metric: ResearchConfig["metric"];
    });
    /** Set the event emitter (called by NeuroLink/TaskManager during integration). */
    setEmitter(emitter: AutoresearchEmitter): void;
    /** Emit a lifecycle event. Safe to call when no emitter is set. */
    private emit;
    /** Initialize: validate config, ensure branch, create state */
    initialize(tag: string): Promise<ResearchState>;
    /** Load existing state (for resuming) */
    resume(): Promise<ResearchState>;
    /** Run one full experiment cycle without AI — just the deterministic parts */
    runExperimentCycle(description: string): Promise<ExperimentRecord>;
    /** Get the tools record for use with NeuroLink.generate() */
    getTools(): Record<string, unknown>;
    /** Build system prompt */
    getSystemPrompt(): Promise<string>;
    /** Build cycle prompt */
    getCyclePrompt(): Promise<string>;
    /** Get current state */
    getState(): Promise<ResearchState | null>;
    /** Get results stats */
    getStats(): Promise<import("../index.js").ExperimentStats>;
    /** Get config */
    getConfig(): ResearchConfig;
    /**
     * Single authority for phase transitions.
     * Persists the new phase to the state store and emits phase-changed event.
     */
    advancePhase(phase: ExperimentPhase): Promise<void>;
    /**
     * Returns the phase tool policy for the current phase.
     * Reads the phase from persisted state.
     */
    getPhaseToolPolicy(): Promise<PhaseToolPolicy>;
    /**
     * Returns a tool filter object for the current phase, compatible
     * with NeuroLink generate()'s toolFilter option.
     *
     * Returns { include: string[] } listing only the tools allowed
     * in the current phase.
     */
    getToolFilterForCurrentPhase(): Promise<{
        include: string[];
    }>;
    /** Emit an autoresearch:error event. */
    private emitError;
}