Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

test.m
// UNSUPPORTED: -zos, -aix
// RUN: clang-import-test -dump-ast -x objective-c++ -import %S/Inputs/S.m -expression %s | FileCheck %s

// CHECK: ObjCTypeParamDecl
// CHECK-SAME: FirstParam
// CHECK-SAME: 'id<NSString>'
// CHECK-NEXT: ObjCTypeParamDecl
// CHECK-SAME: 'id':'id'

void expr() {
  Dictionary *d;
}