import type { ToolDefinition } from "@earendil-works/pi-coding-agent";
import { type ResultProtocolSpec, type ProtocolCaptureState, type ResultToolState, type StructuredChildResult } from "./types.js";
export declare function createProtocolCaptureState(): ProtocolCaptureState;
/** Build the sole custom tool allowed in a child session. */
export declare function createProtocolOnlyCaptureTool(protocol: ResultProtocolSpec, state: ProtocolCaptureState): ToolDefinition;
export declare function readProtocolCapture<T>(state: ProtocolCaptureState, parse: (value: unknown) => T): T | undefined;
export declare function createResultToolState(): ResultToolState;
export declare function submitAgentResultParameters(): ToolDefinition["parameters"];
/**
 * Child-only structured handoff. The tool state is in-memory and one-shot;
 * duplicate submissions are protocol violations rather than arbitrary wins.
 */
export declare function createSubmitAgentResultTool(state?: ResultToolState): ToolDefinition;
/** Create the default declarative worker handoff protocol. */
export declare function createAgentResultProtocol(): ResultProtocolSpec;
export declare function parseStructuredChildResult(value: unknown): StructuredChildResult;