IoCompletionEvent import { IoCompletionEvent } from "destack:io/binding"; Completion event. export struct IoCompletionEvent { key: uint64; result: int64; flags: IoCompletionFlags; } language/library/src/io/binding/completion.ds:11:18 Members key: uint64 User-assigned completion key. result: int64 Host result value. flags: IoCompletionFlags Completion flags.