code: func (v *Menu) PrependSection(label string, section *MenuModel) {
  	cstr1 := (*C.gchar)(C.CString(label))
  	defer C.free(unsafe.Pointer(cstr1))
  
  	C.g_menu_prepend_section(v.native(), cstr1, section.native())
  }
docs: // PrependSection is a wrapper around g_menu_prepend_section().