export declare const SERVER_STATE_DIR: string;
export declare const SERVER_STATE_FILE: string;
export interface ServerState {
    pid: number;
    port: number;
    host: string;
    version: string;
    startedAt: string;
}
export declare function writeServerState(port: number, host: string): void;
export declare function removeServerState(): void;
export declare function readServerState(): ServerState | null;
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