code: public GlobalTableDescription withReplicationGroup(ReplicaDescription... replicationGroup) {
          if (this.replicationGroup == null) {
              setReplicationGroup(new java.util.ArrayList<ReplicaDescription>(replicationGroup.length));
          }
          for (ReplicaDescription ele : replicationGroup) {
              this.replicationGroup.add(ele);
          }
          return this;
      }
docs: <p>
  The regions where the global table has replicas.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setReplicationGroup(java.util.Collection)} or {@link #withReplicationGroup(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param replicationGroup
  The regions where the global table has replicas.
  @return Returns a reference to this object so that method calls can be chained together.