GNOME Shell 45 moved to ESM (ECMAScript modules). That means you MUST use the standard import declaration instead of relying on the previous imports.* approach.
<span style="color:#323232;">import Clutter from 'gi://Clutter';
</span><span style="color:#323232;">import Gio from 'gi://Gio';
</span><span style="color:#323232;">import * as Main from 'resource:///org/gnome/shell/ui/main.js'
</span><span style="color:#323232;">import * as Volume from 'resource:///org/gnome/shell/ui/status/volume.js';
</span>