function isLoaderPluginimport { isLoaderPlugin } from "https://dotland.deno.dev/x/aleph@v0.3.0-alpha.31/server/helper.ts"; isLoaderPlugin(plugin: LoaderPlugin | ServerPlugin): plugin is LoaderPlugincheck the plugin whether it is a loader. Parametersplugin: LoaderPlugin | ServerPluginReturnsplugin is LoaderPlugin