diff --git a/fast.go b/fast.go
new file mode 100644
index 0000000..d68a26a
--- /dev/null
+++ b/fast.go
@@ -0,0 +1 @@
+package gocache
diff --git a/free.go b/free.go
new file mode 100644
index 0000000..d68a26a
--- /dev/null
+++ b/free.go
@@ -0,0 +1 @@
+package gocache
diff --git a/group.go b/group.go
new file mode 100644
index 0000000..d68a26a
--- /dev/null
+++ b/group.go
@@ -0,0 +1 @@
+package gocache