Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

complete-pch.h
@interface A
- (int)instanceMethod1:(int)x;
+ (int)classMethod1:(double)d;
@end

@interface B
- (int)instanceMethod2:(int)x;
+ (int)classMethod2:(float)f;
@end