+#endif
+#if PHP_HTTP_CURL_VERSION(7,49,0)
+ REGISTER_NS_LONG_CONSTANT("http\\Client\\Curl", "HTTP_VERSION_2_PRIOR_KNOWLEDGE", CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE, CONST_CS|CONST_PERSISTENT);
+#endif
+#if PHP_HTTP_CURL_VERSION(7,66,0)
+ REGISTER_NS_LONG_CONSTANT("http\\Client\\Curl", "HTTP_VERSION_3", CURL_HTTP_VERSION_3, CONST_CS|CONST_PERSISTENT);