diff --git a/qb/qb.go b/qb/qb.go
new file mode 100644
index 0000000..00f690a
--- /dev/null
+++ b/qb/qb.go
@@ -0,0 +1,7 @@
+package qb
+
+// Builder is interface implemented by all the builders.
+type Builder interface {
+	// ToCql builds the query into a CQL string and named args.
+	ToCql() (stmt string, names []string)
+}
\ No newline at end of file