namespace Foo
{
    public static class MyExtensions
    {
        /// `this` keyword
        public static int WordCount(this string str)
        {
            return 42;
        }
    }
}

/// `this` keyword is not generated
public static int WordCount(string str) { }

public static class Test
{
    public static void VariableNumberOfArguments(params object[] list)
    {}
}

public static class Test
{
    public static void VariableNumberOfArguments(object[] list)
    {}
}