/** The point at which the runner gave up. Keep in lockstep with the server's
 *  META_ALLOW entry for `runner_install_failed`. */
export type InstallFailStage = "single_instance_locked" | "python_missing" | "socket_auth_rejected" | "socket_unreachable" | "bootstrap_fatal";
/**
 * Best-effort telemetry for a runner that is about to exit without connecting.
 * Awaited only so the process does not die mid-flight; it resolves either way.
 */
export declare function reportInstallFailure(stage: InstallFailStage, opts?: {
    token?: string;
    server?: string;
    detail?: string;
}): Promise<void>;