Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// Matching enum E0 { E0_Val0 = 'a', E0_Val1 = (17), E0_Val2 = (1 << 2), E0_Val3 = E0_Val2, E0_Val4 = sizeof(int*), E0_Val5 = (unsigned int)-1 };