040000 tree 20897400ff1a74cc78ef23d81dec05e06fb70164	basic
040000 tree 2ffe7f5a8b2348f0ee376e097f11a9a6dd8b5e4e	getting-started
100644 blob eec3c896bef24d990770cb1eb1d8b0011db4df6f	lib.rs
040000 tree 5c097cc0d03eca51916f8e40a342b8752bb7d37c	message-envelope
040000 tree 9c6f455161578d0838eba1356adbccf7c95867ce	message-headers
040000 tree 1b30e93e307189211b92999cd129cf6a30a586f7	shared