import type { AgentAttemptSummary } from "../../src/types.js";
import { type SubagentStatus } from "./contracts.js";
export declare function subagentErrorValue(value: unknown): {
    readonly code: string;
    readonly message: string;
} | undefined;
export declare function attemptValue(value: unknown): AgentAttemptSummary | undefined;
export declare function statusValue(value: unknown): SubagentStatus | undefined;