code: public void setTransitGatewayIds(java.util.Collection<String> transitGatewayIds) {
          if (transitGatewayIds == null) {
              this.transitGatewayIds = null;
              return;
          }
  
          this.transitGatewayIds = new com.amazonaws.internal.SdkInternalList<String>(transitGatewayIds);
      }
docs: <p>
  The IDs of the transit gateways.
  </p>
  
  @param transitGatewayIds
  The IDs of the transit gateways.