Make GeneratorContext internal.
Make GeneratorContext internal.

l8s/Eto,PowerOfCode/Eto,l8s/Eto,l8s/Eto,PowerOfCode/Eto,bbqchickenrobot/Eto-1,bbqchickenrobot/Eto-1,bbqchickenrobot/Eto-1,PowerOfCode/Eto