public Long getPartSizeInBytes() {
        return this.partSizeInBytes;
    }
<p>
The part size, in bytes, specified in the Initiate Multipart Upload request. This is the size of all the parts in
the upload except the last part, which may be smaller than this size.
</p>

@return The part size, in bytes, specified in the Initiate Multipart Upload request. This is the size of all the
        parts in the upload except the last part, which may be smaller than this size.
aws-java-sdk-glacier/src/main/java/com/amazonaws/services/glacier/model/UploadListElement.java