export declare function readEnvOptions(env?: NodeJS.ProcessEnv): {
    args: never[];
    privateKey: string | undefined;
    appId: number | undefined;
    port: number;
    host: string | undefined;
    secret: string | undefined;
    webhookPath: string | undefined;
    webhookProxy: string | undefined;
    logLevel: "fatal" | "error" | "warn" | "info" | "debug" | "trace" | "silent" | undefined;
    logFormat: "pretty" | "json";
    logLevelInString: boolean;
    logMessageKey: string | undefined;
    sentryDsn: string | undefined;
    redisConfig: string | undefined;
    baseUrl: string;
};