code: @Override
      public Iterator<String> getSpaceContents(final String spaceId,
                                               final String prefix)
          throws ContentStoreException {
          final ContentStore store = this;
          return execute(new Retriable() {
              @Override
              public Iterator<String> retry() throws ContentStoreException {
                  // The actual method being executed
                  return new ContentIterator(store, spaceId, prefix);
              }
          });
      }
docs: {@inheritDoc}