docs: public DescribeHsmClientCertificatesResult withHsmClientCertificates(HsmClientCertificate... hsmClientCertificates) {
          if (this.hsmClientCertificates == null) {
              setHsmClientCertificates(new com.amazonaws.internal.SdkInternalList<HsmClientCertificate>(hsmClientCertificates.length));
          }
          for (HsmClientCertificate ele : hsmClientCertificates) {
              this.hsmClientCertificates.add(ele);
          }
          return this;
      }