import { type UnpackTypeGuard } from "https://deno.land/x/tsafe@v1.3.3/lab/UnpackTypeGuard.ts";
definition: T extends (o: any) => o is infer U ? U : never
import { type UnpackTypeGuard } from "https://deno.land/x/tsafe@v1.3.3/lab/UnpackTypeGuard.ts";