Completion should suggest potential generic parameter name when typing

[DoctorKrolic]

public class MyClass
{
    public TReturnType M<$$>
}

It would be great if completion at $$ suggested TReturnType as a generic parameter name since that name isn't resolved. Probably as a soft completion since user may want to have multiple parameters or generate the type after they finish typing method signature. Also maybe limit this to only when potential name starts with T or that's too restrictive?