api/java/src/main/java/com/navercorp/redis/cluster/spring/DefaultBoundSessionOfHashSetOperations.java
public Long add(HK key, Collection<HV> values) {
        return ops.multiAdd(getKey(), getField(), key, values);
    }
public Long add(HK key, Collection<HV> values) {
        return ops.multiAdd(getKey(), getField(), key, values);
    }
/*
@see BoundSessionOfHashSetOperations#add(java.lang.Object, java.util.Collection)