private void initPostBlobHandler(Properties properties) {
    VerifiableProperties verifiableProperties = new VerifiableProperties(properties);
    frontendConfig = new FrontendConfig(verifiableProperties);
    postBlobHandler =
        new PostBlobHandler(securityServiceFactory.getSecurityService(), idConverterFactory.getIdConverter(),
            idSigningService, router, injector, time, frontendConfig, metrics, CLUSTER_NAME, QUOTA_MANAGER);
  }
Initates a {@link PostBlobHandler}
@param properties the properties to use to init the {@link PostBlobHandler}
ambry-frontend/src/test/java/com/github/ambry/frontend/PostBlobHandlerTest.java