diff --git a/src/Utils/Annotation/Getter.php b/src/Utils/Annotation/Getter.php
new file mode 100644
index 00000000..5a6fe7c7
--- /dev/null
+++ b/src/Utils/Annotation/Getter.php
@@ -0,0 +1,22 @@
+<?php
+namespace TheCodingMachine\TDBM\Utils\Annotation;
+
+/**
+ * @Annotation
+ */
+final class Getter
+{
+    /**
+     * The name of the getter
+     *
+     * @var string
+     */
+    public $name;
+
+    /**
+     * If true, the getter will be "protected". Otherwise, getter is "public".
+     *
+     * @var bool
+     */
+    public $hidden = false;
+}
diff --git a/src/Utils/Annotation/Interface_.php b/src/Utils/Annotation/Interface_.php
new file mode 100644
index 00000000..65773e45
--- /dev/null
+++ b/src/Utils/Annotation/Interface_.php
@@ -0,0 +1,20 @@
+<?php
+
+
+namespace TheCodingMachine\TDBM\Utils\Annotation;
+
+use Doctrine\Common\Annotations\Annotation\Required;
+
+/**
+ * @Annotation
+ */
+final class Interface_
+{
+    /**
+     * The fully qualified interface name this bean should implement.
+     *
+     * @Required()
+     * @string
+     */
+    public $value;
+}
diff --git a/src/Utils/Annotation/Setter.php b/src/Utils/Annotation/Setter.php
new file mode 100644
index 00000000..eb9573f0
--- /dev/null
+++ b/src/Utils/Annotation/Setter.php
@@ -0,0 +1,22 @@
+<?php
+namespace TheCodingMachine\TDBM\Utils\Annotation;
+
+/**
+ * @Annotation
+ */
+final class Setter
+{
+    /**
+     * The name of the setter
+     *
+     * @var string
+     */
+    public $name;
+
+    /**
+     * If true, the setter will be "protected". Otherwise, setter is "public".
+     *
+     * @var bool
+     */
+    public $hidden = false;
+}