code: public CreateVpcResponse createVpc(String name, String cidr) {
          CreateVpcRequest request = new CreateVpcRequest();
          request.withName(name).withCidr(cidr);
          return createVpc(request);
      }
docs: Create a vpc with the specified options.
  @param name The name of vpc
  @param cidr The CIDR of vpc
  @return List of vpcId newly created