# Import assertions are not supported Rule ``arkts-no-import-assertions`` **Severity: error** ArkTS does not support import assertions because in the language import is a compile-time, not a runtime feature. So asserting correctness of imported APIs in runtime does not make sense for the statically typed language. Use ordinary ``import`` syntax instead. ## TypeScript ``` import { obj } from "something.json" assert { type: "json" } ``` ## ArkTS ``` // Correctness of importing T will be checked in compile-time: import { something } from "module" ``` ## See also - Recipe 129: Wildcards in module names are not supported (``arkts-no-module-wildcards``) - Recipe 130: Universal module definitions (UMD) are not supported (``arkts-no-umd``)