method Snackbar.prototype._showimport { Snackbar } from "https://deno.land/x/nano_jsx@v0.1.0/ui/snackbar.ts"; _show(options: SnackbarOptions | null, callback: (event: { name: string; id: string | number; }) => void)Parametersoptions: SnackbarOptions | nullcallback: (event: { name: string; id: string | number; }) => void