javadocs fixed

redisson/src/main/java/org/redisson/api/RSet.java

@@ -328,6 +328,8 @@ public interface RSet<V> extends Set<V>, RExpirable, RSetAsync<V>, RSortable<Set
     /**
      * Check if each element is contained in the specified collection.
      * Returns contained elements.
+     * <p>
+     * Requires <b>Redis 6.2.0 and higher.</b>
      *
      * @param c - collection to check
      * @return contained elements

redisson/src/main/java/org/redisson/api/RSetAsync.java

@@ -183,6 +183,8 @@ public interface RSetAsync<V> extends RCollectionAsync<V>, RSortableAsync<Set<V>
     /**
      * Check if each element is contained in the specified collection.
      * Returns contained elements.
+     * <p>
+     * Requires <b>Redis 6.2.0 and higher.</b>
      *
      * @param c - collection to check
      * @return contained elements

redisson/src/main/java/org/redisson/api/RSetReactive.java

@@ -252,6 +252,8 @@ public interface RSetReactive<V> extends RCollectionReactive<V>, RSortableReacti
     /**
      * Check if each element is contained in the specified collection.
      * Returns contained elements.
+     * <p>
+     * Requires <b>Redis 6.2.0 and higher.</b>
      *
      * @param c - collection to check
      * @return contained elements

redisson/src/main/java/org/redisson/api/RSetRx.java

@@ -254,6 +254,8 @@ public interface RSetRx<V> extends RCollectionRx<V>, RSortableRx<Set<V>> {
     /**
      * Check if each element is contained in the specified collection.
      * Returns contained elements.
+     * <p>
+     * Requires <b>Redis 6.2.0 and higher.</b>
      *
      * @param c - collection to check
      * @return contained elements