code: func (v *Variant) GetString() string {
  	var len C.gsize
  	gc := C.g_variant_get_string(v.native(), &len)
  	defer C.g_free(C.gpointer(gc))
  	return C.GoStringN((*C.char)(gc), (C.int)(len))
  }
docs: // GetString returns the string value of the variant.