// smb:// -> enumerate servers through browsing
            Address addr;
            try {
                addr = locator.getAddress();
            } catch (final CIFSException e) {
                if (e.getCause() instanceof UnknownHostException) {
                    log.debug("Failed to find master browser", e);
                    throw new SmbUnsupportedOperationException();
                }
                throw e;

            } catch (final ClientAbortException e) {
                logger.debug("Client aborts this request.", e);
            }
        } catch (final Exception e) {
            if (!(e.getCause() instanceof ClientAbortException)) {
                throw new WebApiException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e);
            }
            logger.debug("Client aborts this request.", e);
        }
    }

        if (base64String == null) {
            return null;
        }
        try {
            return BASE64_DECODER.decode(base64String);
        } catch (IllegalArgumentException e) {
            if (e.getCause() instanceof DecodingException) {
                return BASE64URL_DECODER.decode(base64String.trim());
            }
            throw e;
        }
    }

    /**

        final StringBuilder buf = new StringBuilder(100);
        Throwable current = t;
        while (current != null) {
            buf.append(current.getLocalizedMessage()).append(' ');
            current = current.getCause();
        }
        return buf.toString();
    }

    /**
     * Checks if a checkbox value represents an enabled state.
     * This method considers "on" and "true" (case-insensitive) as enabled values.

      // mayInterruptIfRunning is irrelevant.
      cancel(false);
      return;
    } catch (ExecutionException e) {
      // Set the cause of the exception as this future's exception.
      setException(e.getCause());
      return;
    } catch (Exception e) { // sneaky checked exception
      // Bug in inputFuture.get(). Propagate to the output Future so that its consumers don't hang.
      setException(e);
      return;

        assertArgumentNotNull("method", method);

        try {
            return (T) method.invoke(target, args);
        } catch (final InvocationTargetException ex) {
            final Throwable t = ex.getCause();
            if (t instanceof RuntimeException) {
                throw (RuntimeException) t;
            }
            if (t instanceof Error) {
                throw (Error) t;
            }

     */
    protected String detailedMessage(final Throwable t) {
        if (t == null) {
            return "Unknown";
        }
        Throwable target = t;
        if (target.getCause() == null) {
            return target.getClass().getSimpleName() + "[" + target.getMessage() + "]";
        }
        final StringBuilder sb = new StringBuilder();
        while (target != null) {

  private Object invokeGeneratorMethod(Method generator, Object... args) {
    try {
      return generator.invoke(this, args);
    } catch (InvocationTargetException e) {
      throwIfUnchecked(e.getCause());
      throw new RuntimeException(e.getCause());
    } catch (Exception e) {
      throwIfUnchecked(e);
      throw new RuntimeException(e);
    }
  }

            // Act + Assert
            SmbException thrown = assertThrows(SmbException.class, () -> SmbEnumerationUtil.list(parent, "*", 0, null, null));
            assertSame(cifsEx, thrown.getCause());
        }
    }

    @Nested
    @DisplayName("DosFileFilter integration tests")
    class DosFileFilterTests {

        @Test

        new RemovalListener<Integer, Integer>() {
          @Override
          public void onRemoval(RemovalNotification<Integer, Integer> notification) {
            switch (notification.getCause()) {
              case EXPIRED:
                stats[0]++;
                break;
              case EXPLICIT:
                stats[1]++;
                break;
              case REPLACED: