public void setVersionId(String versionId) {
        this.versionId = versionId;
    }
Sets the version ID of the new object, only present if versioning has
been enabled for the bucket.

@param versionId
           The version ID of the new object, only present if versioning
           has been enabled for the bucket.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/transfer/model/UploadResult.java