1 files changed, 24 insertions, 0 deletions
diff --git a/crypto/src/bcpg/OutputStreamPacket.cs b/crypto/src/bcpg/OutputStreamPacket.cs
new file mode 100644
index 000000000..aa8316dcb
--- /dev/null
+++ b/crypto/src/bcpg/OutputStreamPacket.cs
@@ -0,0 +1,24 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Bcpg
+{
+    public abstract class OutputStreamPacket
+    {
+        private readonly BcpgOutputStream bcpgOut;
+
+		internal OutputStreamPacket(
+            BcpgOutputStream bcpgOut)
+        {
+			if (bcpgOut == null)
+				throw new ArgumentNullException("bcpgOut");
+
+			this.bcpgOut = bcpgOut;
+        }
+
+		public abstract BcpgOutputStream Open();
+
+		public abstract void Close();
+    }
+}
+