public void setFileOffset(long fileOffset) {
        this.fileOffset = fileOffset;
    }
Sets the optional offset in the specified file, at which to begin
uploading data for this part. If not specified, data will be read from
the beginning of the file.

@param fileOffset
           The optional offset in the specified file, at which to begin
           uploading data for this part. If not specified, data will be
           read from the beginning of the file.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/UploadPartRequest.java