docs: public DescribeCustomerGatewaysRequest withCustomerGatewayIds(String... customerGatewayIds) {
          if (this.customerGatewayIds == null) {
              setCustomerGatewayIds(new com.amazonaws.internal.SdkInternalList<String>(customerGatewayIds.length));
          }
          for (String ele : customerGatewayIds) {
              this.customerGatewayIds.add(ele);
          }
          return this;
      }