import { type AsyncCallback } from "https://deno.land/x/earthstar@v10.2.0/src/entries/universal.ts";
definition: (data: T) => Promise<void>
x/earthstar/src/entries/universal.ts>AsyncCallback
import { type AsyncCallback } from "https://deno.land/x/earthstar@v10.2.0/src/entries/universal.ts";