Interface Virrun

interface Virrun {
    backend: BackendType;
    dispose: () => Promise<void>;
    exec: (
        command: string | readonly string[],
        stdio?: ExecStdio,
    ) => Promise<ExecResult>;
    fork: (
        command: string | readonly string[],
        stdio?: ExecStdio,
    ) => Promise<ExecResult>;
    persist: (
        command: string | readonly string[],
        stdio?: ExecStdio,
    ) => Promise<ExecResult>;
}