private LoadTableResponse registerTable(Map<String, String> vars, Object body) {
      Namespace namespace = namespaceFromPathVars(vars);
      RegisterTableRequest request = castRequest(RegisterTableRequest.class, body);
      return castResponse(LoadTableResponse.class, CatalogHandlers.registerTable(catalog, namespace, request));
  }
@param apis an optional list of known api call names
@return the list of metric names for the HMSCatalog class
standalone-metastore/metastore-rest-catalog/src/main/java/org/apache/iceberg/rest/HMSCatalogAdapter.java