linux-packaging-mono/mcs/tests/gtest-exmethod-23.cs

// Compiler options: -nostdlib -noconfig -r:mscorlib.dll -r:System.Core.dll -lib:$REF_DIR

public static class T
{
	public static void A (this string v, int a)
	{
	}

	public static void Main ()
	{
	}
}