class FilerefUpgradeNeeded
extends ErrorWithCall
import { FilerefUpgradeNeeded } from "https://deno.land/x/mtkruto@0.1.141/4_errors.ts";
x/mtkruto/4_errors.ts>FilerefUpgradeNeeded
import { FilerefUpgradeNeeded } from "https://deno.land/x/mtkruto@0.1.141/4_errors.ts";