type ProbeFailureKind = 'timeout' | 'network_error' | 'auth_error' | 'bad_status' | 'bad_json' | 'not_routecodex' | 'not_guardian';
type ProbeSuccess<T> = {
    ok: true;
    kind: 'ok';
    status: number;
    body: T;
    bodySnippet?: string;
};
type ProbeFailure = {
    ok: false;
    kind: ProbeFailureKind;
    status?: number;
    bodySnippet?: string;
    parseOk?: boolean;
    errorMessage?: string;
};
type ProbeResult<T> = ProbeSuccess<T> | ProbeFailure;
export type RouteCodexHealthBody = {
    server?: string;
    status?: string;
    ready?: boolean;
    pipelineReady?: boolean;
};
export type RouteCodexHealthProbeResult = ProbeResult<RouteCodexHealthBody>;
export type GuardianHealthBody = {
    ok?: boolean;
};
export type GuardianHealthProbeResult = ProbeResult<GuardianHealthBody>;
export declare function describeHealthProbeFailure(result: ProbeFailure): string;
export declare function probeRouteCodexHealth(args: {
    fetchImpl: typeof fetch;
    host: string;
    port: number;
    timeoutMs?: number;
}): Promise<RouteCodexHealthProbeResult>;
export declare function probeGuardianHealth(args: {
    fetchImpl: typeof fetch;
    port: number;
    token: string;
    timeoutMs?: number;
}): Promise<GuardianHealthProbeResult>;
export {};