public CloudBlobMetadata setVcrKmsContext(String vcrKmsContext) {
    this.vcrKmsContext = vcrKmsContext;
    return this;
  }
Sets the VCR KMS context.
@param vcrKmsContext the KMS context used for encryption.
@return this instance.
ambry-cloud/src/main/java/com/github/ambry/cloud/CloudBlobMetadata.java