040000 tree b20cf2c47211ff1191c819c48bfd51220dc23226	core
040000 tree b85bb8c4464bdfb60be03c7d2a2178ba083b9c4d	event
040000 tree b9e1b41079048f85888a42a6b7f632761e8c73e5	http
040000 tree db294aad8871b39b6ff5cb38acdbd6e201df3a83	imap
040000 tree a19f2621a3ed0ba8699dda370dc31e04b41d5b4a	mysql
040000 tree f32944db1f7d40b88289bf70044f3ec50603f67f	os