using System.Collections;
using System.Collections.Generic;
using System.Linq;

namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty.Issue3180
{
	internal static class Extensions
	{
		public static int Count(this IEnumerable source)
		{
			return 5;
		}
	}

	internal class NullConditional
	{
		public static int StaticCall(IEnumerable<string> s)
		{
			return Enumerable.Count(s);
		}

		public static int CountOrZero(IEnumerable<string> s)
		{
#if EXPECTED_OUTPUT
			return s?.Count<string>() ?? 0;
#else
			return (s != null) ? Enumerable.Count(s) : 0;
#endif
		}
	}
}