diff --git a/src/classes/Exception.php b/src/classes/Exception.php
new file mode 100644
index 0000000..b689a80
--- /dev/null
+++ b/src/classes/Exception.php
@@ -0,0 +1,7 @@
+<?php
+
+class PicklesException extends Exception
+{
+
+}
+
diff --git a/src/classes/Filter.php b/src/classes/Filter.php
new file mode 100644
index 0000000..214d461
--- /dev/null
+++ b/src/classes/Filter.php
@@ -0,0 +1,7 @@
+<?php
+
+class Filter
+{
+
+}
+