code: public void setTunnelOptions(java.util.Collection<VpnTunnelOptionsSpecification> tunnelOptions) {
          if (tunnelOptions == null) {
              this.tunnelOptions = null;
              return;
          }
  
          this.tunnelOptions = new com.amazonaws.internal.SdkInternalList<VpnTunnelOptionsSpecification>(tunnelOptions);
      }
docs: <p>
  The tunnel options for the VPN connection.
  </p>
  
  @param tunnelOptions
  The tunnel options for the VPN connection.