Interface RuntimeSysAbstraction

interface RuntimeSysAbstraction {
    System(): SystemService;
    FileSystem(): FileService;
    Stdout(): WritableStream<Uint8Array<ArrayBufferLike>>;
    Stderr(): WritableStream<Uint8Array<ArrayBufferLike>>;
    Env(): Env;
    Args(): string[];
    Time(): Time;
    NextId(): string;
    Random0ToValue(value: number): number;
}