Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

module.modulemap
module M {
  module a { header "a.h" export * }
  module b { header "b.h" export * }
  module doesnotexist { header "doesnotexist.h" }
}
module X {
  header "x.h"
  export *
}