import type { LocalIpcEndpoint } from "../platform/ipc.js";
import type { EngineIdentity } from "./engine-server.js";
export interface ExpectedEngineIdentity {
    instanceId: string;
    pid?: number;
    home?: string;
    runtimePath?: string;
}
export declare function readEngineIdentity(endpoint: LocalIpcEndpoint, timeoutMs?: number): Promise<EngineIdentity | undefined>;
export declare function requestEngineShutdown(endpoint: LocalIpcEndpoint, controlToken: string, timeoutMs?: number): Promise<boolean>;
export declare function waitForEngineIdentity(endpoint: LocalIpcEndpoint, expected: string | ExpectedEngineIdentity, timeoutMs: number, intervalMs?: number): Promise<EngineIdentity | undefined>;
export declare function engineIdentityMatches(identity: EngineIdentity, expected: string | ExpectedEngineIdentity): boolean;