method Aleph.prototype.onLoadimport { Aleph } from "https://deno.land/x/aleph_plugin_mdx@v1.3.0-beta.1/dev_deps.ts"; onLoad(test: RegExp, callback: (input: LoadInput) => LoadOutput | Promise<LoadOutput>): voidParameterstest: RegExpcallback: (input: LoadInput) => LoadOutput | Promise<LoadOutput>Returnsvoid