private boolean isNamedBlobPutRequest(RestRequest restRequest) {
      return restRequest.getRestMethod() == RestMethod.PUT && RestUtils.getRequestPath(restRequest)
          .matchesOperation(Operations.NAMED_BLOB);
    }
@param restRequest incoming {@link RestRequest}
@return {@code true} if this named blob PUT request
ambry-frontend/src/main/java/com/github/ambry/frontend/AmbryIdConverterFactory.java