1 files changed, 18 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core/IIsolatedStorageFile.cs b/Xamarin.Forms.Core/IIsolatedStorageFile.cs
new file mode 100644
index 00000000..50899023
--- /dev/null
+++ b/Xamarin.Forms.Core/IIsolatedStorageFile.cs
@@ -0,0 +1,18 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace Xamarin.Forms
+{
+	internal interface IIsolatedStorageFile
+	{
+		Task CreateDirectoryAsync(string path);
+		Task<bool> GetDirectoryExistsAsync(string path);
+		Task<bool> GetFileExistsAsync(string path);
+
+		Task<DateTimeOffset> GetLastWriteTimeAsync(string path);
+
+		Task<Stream> OpenFileAsync(string path, FileMode mode, FileAccess access);
+		Task<Stream> OpenFileAsync(string path, FileMode mode, FileAccess access, FileShare share);
+	}
+}
+\ No newline at end of file