try ( SmbTreeHandleInternal th = (SmbTreeHandleInternal) f.getTreeHandle();
                  SmbSessionInternal sess = th.getSession().unwrap(SmbSessionInternal.class);
                  SmbTransportInternal t = (SmbTransportInternal) sess.getTransport() ) {

                int before = t.getInflightRequests();
                if ( before > 0 ) {

Public License permits more lax criteria for linking other code with
the library.

  We call this license the "Lesser" General Public License because it
does Less to protect the user's freedom than the ordinary General
Public License.  It also provides other free software developers Less
of an advantage over competing non-free programs.  These disadvantages
are the reason we use the ordinary General Public License for many

 * the expression begins with one or more '?'s then exactly that
 * many characters will be matched whereas if it ends with '?'s
 * it will match that many characters <i>or less</i>.
 * <p>
 * Wildcard expressions will not filter workgroup names or server names.
 *
 * <blockquote><pre>
 * winnt> ls c?o*
 * clock.avi                  -rw--      82944 Mon Oct 14 1996 1:38 AM