Function find_module_reference_extended 

pub fn find_module_reference_extended(
    text: &str,
    cursor_pos: usize,
) -> Option<ModuleReference<'_>>

Find a module reference inside use parent/use base argument lists.

When the cursor is on a quoted module name inside use parent 'Foo::Bar' or use base qw(Foo::Bar), this returns the referenced module name. For direct use/require statements, delegates to find_module_reference.