code: public static BulkheadExports ofBulkhead(String prefix, Bulkhead bulkhead) {
          return new BulkheadExports(prefix, Array.of(bulkhead));
      }
docs: Creates a new instance of {@link BulkheadExports} with default metrics names prefix and
  a bulkhead as a source.
  
  @param prefix the prefix of metrics names
  @param bulkhead the bulkhead