import type { ApiRequest, ApiSuccessResponse } from "./common.js";
export type HealthCheckRequest = ApiRequest<"HealthCheck", {
    /**
     * Custom Data passed from the Game Client or Third Party service. Not used by vanilla Dedicated Servers.
     */
    clientCustomData: string;
}>;
export type HealthCheckResponseData = {
    /**
     * "healthy" if tick rate is above ten ticks per second, "slow" otherwise.
     */
    health: "healthy" | "slow";
    /**
     * Custom Data passed from the Dedicated Server to the Game Client or Third Party service. Vanilla Dedicated Server returns empty string.
     */
    serverCustomData: string;
};
export type HealthCheckResponse = ApiSuccessResponse<HealthCheckResponseData>;
export declare const buildHealthCheck: (options: import("./common.js").InternalClientOptions) => (extra?: Omit<HealthCheckRequest, "function"> | undefined) => Promise<HealthCheckResponse>;