public void setBucketName(String bucketName) {
        this.bucketName = bucketName;
    }
Sets the name of the bucket containing the existing, initiated multipart
upload, with which this new part will be associated.

<p>
When using this API with an access point, you must direct requests
to the access point hostname. The access point hostname takes the form
<i>AccessPointName</i>-<i>AccountId</i>.s3-accesspoint.<i>Region</i>.amazonaws.com.
</p>
<p>
When using this operation using an access point through the Amazon Web Services SDKs, you provide
the access point ARN in place of the bucket name. For more information about access point
ARNs, see <a href=\"https://docs.aws.amazon.com/AmazonS3/latest/dev/using-access-points.html\">
Using access points</a> in the <i>Amazon Simple Storage Service Developer Guide</i>.
</p>

@param bucketName
           the name of the bucket, or access point ARN, containing the existing, initiated
           multipart upload, with which this new part will be associated.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/UploadPartRequest.java