}

  /**
   * Creates a <i>mutable</i> {@code HashMap} instance with the same mappings as the specified map.
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableMap#copyOf(Map)} instead.
   *
   * <p><b>Note:</b> if {@code K} is an {@link Enum} type, use {@link #newEnumMap} instead.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,

    private Combiner(boolean allMustSucceed, Iterable<? extends ClosingFuture<?>> inputs) {
      this.allMustSucceed = allMustSucceed;
      this.inputs = ImmutableList.copyOf(inputs);
      for (ClosingFuture<?> input : inputs) {
        input.becomeSubsumedInto(closeables);
      }
    }

    /**

    assertTrue(future.isCancelled());

    CancellationException expected =
        assertThrows(CancellationException.class, () -> CallerClass2.get(future));
    List<StackTraceElement> stackTrace = ImmutableList.copyOf(expected.getStackTrace());
    assertFalse(Iterables.any(stackTrace, hasClassName(CallerClass1.class)));
    assertTrue(Iterables.any(stackTrace, hasClassName(CallerClass2.class)));

    assertTrue(future.isCancelled());

    CancellationException expected =
        assertThrows(CancellationException.class, () -> CallerClass2.get(future));
    List<StackTraceElement> stackTrace = ImmutableList.copyOf(expected.getStackTrace());
    assertFalse(Iterables.any(stackTrace, hasClassName(CallerClass1.class)));
    assertTrue(Iterables.any(stackTrace, hasClassName(CallerClass2.class)));

    }

    /**
     *
     */
    void clearAttributeCache() {
        this.attrExpiration = 0;
        this.sizeExpiration = 0;
    }

    @Override
    public void copyTo(final SmbResource d) throws SmbException {
        if (!(d instanceof final SmbFile dest)) {
            throw new SmbException("Invalid target resource");
        }