+require( ABSPATH . WPINC . '/class-wp-http-streams.php' );
+require( ABSPATH . WPINC . '/class-wp-http-curl.php' );
+require( ABSPATH . WPINC . '/class-wp-http-proxy.php' );
+require( ABSPATH . WPINC . '/class-wp-http-cookie.php' );
+require( ABSPATH . WPINC . '/class-wp-http-encoding.php' );
+require( ABSPATH . WPINC . '/class-wp-http-response.php' );
+require( ABSPATH . WPINC . '/class-wp-http-requests-response.php' );