message: api: export close function
diff: @@ -194,12 +194,8 @@ macro_rules! impl_handle_api {
  /// ```rust
  /// // TODO
  /// ```
  - pub async fn close(
  - self,
  - error_code: $crate::ApplicationErrorCode,
  - ) -> $crate::connection::Result<()> {
  - let _ = error_code;
  - todo!()
  + pub fn close(self, error_code: $crate::ApplicationErrorCode) {
  + self.0.close(error_code)
  }
  };
  }
  