return tree != null && tree.connectionState == 2;
    }

    int open0(final int flags, final int access, final int attrs, final int options) throws SmbException {
        int f;

        connect0();

        if (LogStream.level >= 3) {
            log.println("open0: " + unc);
        }

        /*
         * NT Create AndX / Open AndX Request / Response
         */

    public static final int SMB2_IMPERSONATION_LEVEL_DELEGATE = 0x3;

    /**
     * Enable other opens for read access
     */
    public static final int FILE_SHARE_READ = 0x1;

    /**
     * Enable other opens for write access
     */
    public static final int FILE_SHARE_WRITE = 0x2;

    /**
     * Enable other opens for delete access
     */
    public static final int FILE_SHARE_DELETE = 0x4;

    /**

     * Opens an input stream reading the file (read only)
     *
     * @param sharing
     *            flags indicating for which operations others may open the file (FILE_SHARING_*)
     *
     * @return input stream, needs to be closed when finished
     * @throws CIFSException if an error occurs accessing the resource
     */
    InputStream openInputStream(int sharing) throws CIFSException;

    /**

 * </pre>
 *
 * </td>
 * <td>
 * Open the Named Pipe foo for reading and writing. The pipe will behave like the <code>CallNamedPipe</code> interface.
 * </td>
 * </tr>
 * <tr>
 * <td >
 *
 * <pre>
 * new SmbNamedPipe("smb://server/IPC$/foo", SmbNamedPipe.PIPE_TYPE_RDWR | SmbNamedPipe.PIPE_TYPE_TRANSACT, context);
 * </pre>
 *
 * </td>
 * <td>

 *         SmbNamedPipe.PIPE_TYPE_CALL );
 * </pre></td><td>
 * Open the Named Pipe foo for reading and writing. The pipe will behave like the <code>CallNamedPipe</code> interface.
 * </td></tr>
 * <tr><td ><pre>
 * new SmbNamedPipe( "smb1://server/IPC$/foo",
 *         SmbNamedPipe.PIPE_TYPE_RDWR |
 *         SmbNamedPipe.PIPE_TYPE_TRANSACT );
 * </pre></td><td>

        // Act + Assert (no exception expected)
        assertDoesNotThrow(() -> SmbCopyUtil.copyFile(src, dest, buffers, 1, new WriterThread(), sh, dh));

        // Verify that server-side path engaged at least the initial opens
        verify(src, times(1)).openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt());
        verify(dest, times(1)).openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt());
    }

        }
        return results;
    }

    /**
     * Opens a directory for enumeration
     *
     * @return the opened directory file entry
     * @throws CIFSException if an error occurs opening the directory
     */
    @SuppressWarnings("resource")
    @Override
    protected FileEntry open() throws CIFSException {
        final SmbTreeHandleImpl th = getTreeHandle();

            return advance(true);
        }
        return null;
    }

    /**
     * Opens the enumeration and returns the first entry.
     *
     * @return the first file entry, or null if empty
     * @throws CIFSException if an error occurs during opening
     */
    protected abstract FileEntry open() throws CIFSException;

    /**
     * Checks if the enumeration is complete.
     *

public class Handler extends URLStreamHandler {

    /**
     * Constructs a new Handler.
     */
    public Handler() {
        // Default constructor
    }

    /**
     * Opens a connection to the GCS URL.
     *
     * @param u The URL to open a connection to
     * @return A new GcsURLConnection instance
     * @throws IOException If the connection cannot be opened
     */
    @Override

public class Handler extends URLStreamHandler {

    /**
     * Constructs a new Handler.
     */
    public Handler() {
        // Default constructor
    }

    /**
     * Opens a connection to the S3 URL.
     *
     * @param u The URL to open a connection to
     * @return A new S3URLConnection instance
     * @throws IOException If the connection cannot be opened
     */
    @Override