export declare const CONFIG_DIR: string;
export interface ServerRuntimeState {
    pid: number;
    port: number;
    startedAt: string;
}
export declare function saveServerRuntimeState(state: ServerRuntimeState): void;
export declare function loadServerRuntimeState(): ServerRuntimeState | null;
export declare function clearServerRuntimeState(): void;
export declare function getLogDir(): string;
export declare function killProcess(pid: number): boolean;
export declare function isProcessAlive(pid: number): boolean;
