@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getMultipartUploadId() != null)
            sb.append("MultipartUploadId: ").append(getMultipartUploadId()).append(",");
        if (getVaultARN() != null)
            sb.append("VaultARN: ").append(getVaultARN()).append(",");
        if (getArchiveDescription() != null)
            sb.append("ArchiveDescription: ").append(getArchiveDescription()).append(",");
        if (getPartSizeInBytes() != null)
            sb.append("PartSizeInBytes: ").append(getPartSizeInBytes()).append(",");
        if (getCreationDate() != null)
            sb.append("CreationDate: ").append(getCreationDate());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-glacier/src/main/java/com/amazonaws/services/glacier/model/UploadListElement.java