docs: public java.util.List<ServerCertificateMetadata> getServerCertificateMetadataList() {
          if (serverCertificateMetadataList == null) {
              serverCertificateMetadataList = new com.amazonaws.internal.SdkInternalList<ServerCertificateMetadata>();
          }
          return serverCertificateMetadataList;
      }