diff -r 44840bcc411a -r 74da9d999cd7 rust/chg/src/lib.rs
--- a/rust/chg/src/lib.rs	Mon Sep 24 18:33:46 2018 +0900
+++ b/rust/chg/src/lib.rs	Mon Sep 24 18:57:54 2018 +0900
@@ -11,11 +11,13 @@
 extern crate tokio_hglib;
 extern crate tokio_process;
 
-pub mod attachio;
+mod attachio;
+mod clientext;
 pub mod locator;
 pub mod message;
 pub mod procutil;
-pub mod runcommand;
+mod runcommand;
 mod uihandler;
 
+pub use clientext::ChgClientExt;
 pub use uihandler::{ChgUiHandler, SystemHandler};