import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.LocalFileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.util.Progressable;
<BUG>import static org.apache.hadoop.fs.s3a.S3AConstants.*;
public class S3AFileSystem extends FileSystem {</BUG>
private URI uri;
private Path workingDir;
private AmazonS3Client s3;

import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.LocalFileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.util.Progressable;
import static org.apache.hadoop.fs.s3a.Constants.*;
public class S3AFileSystem extends FileSystem {
private URI uri;
private Path workingDir;
private AmazonS3Client s3;
