diff --git a/implementation/src/main/java/io/smallrye/config/SingleConfigSourceInterceptor.java b/implementation/src/main/java/io/smallrye/config/SingleConfigSourceInterceptor.java
new file mode 100644
index 000000000..9a168c560
--- /dev/null
+++ b/implementation/src/main/java/io/smallrye/config/SingleConfigSourceInterceptor.java
@@ -0,0 +1,4 @@
+package io.smallrye.config;/**
+ * 
+ */public final class SingleConfigSourceInterceptor {
+}
diff --git a/implementation/src/main/java/io/smallrye/config/util/Iterators.java b/implementation/src/main/java/io/smallrye/config/util/Iterators.java
new file mode 100644
index 000000000..6fff79dee
--- /dev/null
+++ b/implementation/src/main/java/io/smallrye/config/util/Iterators.java
@@ -0,0 +1,4 @@
+package io.smallrye.config.util;/**
+ * 
+ */public final class Iterators {
+}