AcornPublishing_essential-csharp-7e/EssentialCSharp-8.0/src/Chapter08/Listing08.01.DefiningAnInterface.cs
namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter08.Listing08_01
{
    interface IFileCompression
    {
        void Compress(string targetFileName, string[] fileList);
        void Uncompress(
            string compressedFileName, string expandDirectoryName);
    }
}
