Add @since tags
diff --git a/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java b/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java
index 521a9b0..29929b0 100644
--- a/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java
+++ b/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java
@@ -375,6 +375,7 @@
* @param seed Input seed
* @param length The minimum length
* @return the seed
+ * @since 1.5
*/
protected static long[] extendSeed(long[] seed, int length) {
if (seed.length < length) {
@@ -424,6 +425,7 @@
* @param seed Input seed
* @param length The minimum length
* @return the seed
+ * @since 1.5
*/
protected static int[] extendSeed(int[] seed, int length) {
if (seed.length < length) {