Creates a new GVariantType corresponding to the type string given
by type_string. It is appropriate to call g_variant_type_free() on
the return value.
It is a programmer error to call this function with an invalid type
string. Use g_variant_type_string_is_valid() if you are unsure.
Since 2.24
Creates a new GVariantType corresponding to the type string given by type_string. It is appropriate to call g_variant_type_free() on the return value. It is a programmer error to call this function with an invalid type string. Use g_variant_type_string_is_valid() if you are unsure. Since 2.24