code: public DescribeClientVpnConnectionsResult withConnections(ClientVpnConnection... connections) {
          if (this.connections == null) {
              setConnections(new com.amazonaws.internal.SdkInternalList<ClientVpnConnection>(connections.length));
          }
          for (ClientVpnConnection ele : connections) {
              this.connections.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the active and terminated client connections.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setConnections(java.util.Collection)} or {@link #withConnections(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param connections
  Information about the active and terminated client connections.
  @return Returns a reference to this object so that method calls can be chained together.