public CloudBlobMetadata setCryptoAgentFactory(String cryptoAgentFactory) {
    this.cryptoAgentFactory = cryptoAgentFactory;
    return this;
  }
Sets the VCR crypto agent factory class name.
@param cryptoAgentFactory the class name of the {@link CloudBlobCryptoAgentFactory} used for encryption.
@return this instance.
ambry-cloud/src/main/java/com/github/ambry/cloud/CloudBlobMetadata.java