public void setBucketRegion(String bucketRegion) {
        this.bucketRegion = bucketRegion;
    }
Sets the bucket region for filtering the list of buckets.
Only buckets that are located in the specified region will be returned in the response.

@param bucketRegion The region to filter buckets by.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/ListBucketsPaginatedRequest.java