import { SdkClient } from "../sdk/client";
import type { HarnessSessionTransport } from "./session-transport";
export declare class HarnessSdkTransportError extends Error {
    readonly code: "endpoint_unavailable" | "invalid_response";
    readonly cause?: unknown;
    constructor(code: "endpoint_unavailable" | "invalid_response", message: string, cause?: unknown);
}
export interface SpawnedHarnessSession {
    stop(): Promise<void>;
}
export interface CreateSdkSessionTransportOptions {
    repo: string;
    sessionId: string;
    /** Starts the normal GJC session before discovery. Test callers may provide a deterministic SDK host. */
    spawn?: () => SpawnedHarnessSession | Promise<SpawnedHarnessSession>;
    discoveryTimeoutMs?: number;
    /** Test seam: inject SDK client/endpoint resolution to avoid a process-global module mock. */
    connect?: typeof SdkClient.connect;
    readEndpoint?: (repo: string, sessionId: string) => Promise<{
        url: string;
        token: string;
    } | null>;
}
/**
 * Connects an owner to the child session's public SDK endpoint. The SDK client owns
 * hello-gated reconnects; this adapter only owns the bounded discovery wait and child
 * lifecycle.
 */
export declare function createSdkSessionTransport(options: CreateSdkSessionTransportOptions): Promise<HarnessSessionTransport>;
export interface ReapableHarnessChild {
    kill(signal?: number | NodeJS.Signals): void;
    readonly exited: Promise<number>;
    readonly exitCode: number | null;
}
export declare function spawnNormalHarnessSession(repo: string, sessionId: string, options?: {
    termGraceMs?: number;
    killVerifyMs?: number;
}): SpawnedHarnessSession;
/** Test hook for exact-child stop serialization and retry semantics. */
export declare function ownedHarnessSessionForTest(child: ReapableHarnessChild, options?: {
    termGraceMs?: number;
    killVerifyMs?: number;
}): SpawnedHarnessSession;