g_variant_builder_add(builder, "{sv}", "OperClass", g_variant_new_byte(oper_class));
params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
g_variant_builder_unref(builder);
g_variant_builder_add(builder, "{sv}", "OperClass", g_variant_new_byte(oper_class));
params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
g_variant_builder_unref(builder);