diff --git a/BeefLibs/corlib/src/Collections/Generic/ICollection.bf b/BeefLibs/corlib/src/Collections/Generic/ICollection.bf
new file mode 100644
index 00000000..52d683b4
--- /dev/null
+++ b/BeefLibs/corlib/src/Collections/Generic/ICollection.bf
@@ -0,0 +1,16 @@
+namespace System.Collections.Generic
+{
+	interface ICollection<T>
+	{
+		public abstract int Count
+		{
+			get;
+		}
+
+		public void Add(T item);
+		public void Clear();
+		public bool Contains(T item);
+		public void CopyTo(T[] arr, int index);
+		public bool Remove(T item);
+	}
+}