import type { AgentTool as KoiTool } from "@mariozechner/pi-agent-core";
import { type TaskResult } from "./result-contract.js";
import type { HarnessEventLog } from "./harness-events.js";
export type FinishToolDeps = {
    events?: HarnessEventLog;
    /** Read-only tasks change nothing; a task known to require changes says so. */
    requireChanges?: boolean;
    /** Called once with a result that passed validation. */
    onFinished?: (result: TaskResult) => void;
};
export declare function createFinishTool(deps?: FinishToolDeps): KoiTool;