HostErrorContextIoDriver import { HostErrorContextIoDriver } from "destack:error"; I/O-driver host-error context payload. export struct HostErrorContextIoDriver { kind: "ioDriver"; syscall: string; fd: int32; feature: string; } language/library/src/error/host.ds:463:472 Members kind: "ioDriver" Discriminator for this error-context variant. syscall: string Optional syscall or host API name. fd: int32 Optional file descriptor. feature: string Optional feature identifier.