+/**
+ * Applies the 'lower than' operator to the
+ * specified structure and value
+ * @param v1 left member of comparison
+ * @param v2 right member of comparison
+ * @return success/failure of operation
+ */
+gboolean lttv_apply_op_lt_uint32(guint32 v1, guint32 v2) {}
+
+/**
+ * Applies the 'lower than' operator to the
+ * specified structure and value
+ * @param v1 left member of comparison
+ * @param v2 right member of comparison
+ * @return success/failure of operation
+ */
+gboolean lttv_apply_op_lt_uint16(guint16 v1, guint16 v2) {}
+
+/**
+ * Applies the 'lower than' operator to the
+ * specified structure and value
+ * @param v1 left member of comparison
+ * @param v2 right member of comparison
+ * @return success/failure of operation
+ */
+gboolean lttv_apply_op_lt_double(double v1, double v2) {}
+
+/**
+ * Applies the 'lower than' operator to the
+ * specified structure and value
+ * @param v1 left member of comparison
+ * @param v2 right member of comparison
+ * @return success/failure of operation
+ */
+gboolean lttv_apply_op_le_uint64(guint64 v1, guint64 v2) {}