Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

public-private.modulemap
// RUN: rm -rf %t.modules
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t.modules -fmodule-map-file=%s -I%S -include "Inputs/empty.h" /dev/null
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t.modules -fmodule-map-file=%s -I%S -include "Inputs/dummy.h" /dev/null
module A {
  header "Inputs/empty.h"
  private header "Inputs/empty.h"
}
module B {
  private header "Inputs/dummy.h"
  header "Inputs/dummy.h"
}