public MultimapsFilterEntriesAsMapTest() {
    super(true, true, false);
  }

  private Multimap<String, Integer> createMultimap() {
    Multimap<String, Integer> unfiltered = HashMultimap.create();
    unfiltered.put("zero", 55556);
    unfiltered.put("one", 55556);
    unfiltered.put("badkey", 1);
    return Multimaps.filterEntries(unfiltered, PREDICATE);
  }

  @Override
  protected Map<String, Collection<Integer>> makeEmptyMap() {

                    }
                }
            }
        } else if (usage < 0) {
            log.error("Usage count dropped below zero " + this);
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * Close the tree connection (implements AutoCloseable)
     *

        SMBUtil.writeInt2(mapInformationLevel(this.informationLevel), dst, dstIndex);
        dstIndex += 2;

        /*
         * windows98 has what appears to be another 4 0's followed by the share
         * name as a zero terminated ascii string "\TMP" + '\0'
         *
         * As is this works, but it deviates from the spec section 4.1.6.6 but
         * maybe I should put it in. Wonder what NT does?
         */

        assertTrue(Smb2LeaseState.hasWriteCaching(customState));
        assertTrue(Smb2LeaseState.hasHandleCaching(customState));
    }

    @Test
    @DisplayName("Should handle zero state")
    void testZeroState() {
        assertFalse(Smb2LeaseState.hasReadCaching(0));
        assertFalse(Smb2LeaseState.hasWriteCaching(0));
        assertFalse(Smb2LeaseState.hasHandleCaching(0));
    }

		return
	}
}

// Parses x-amz-copy-source-range for CopyObjectPart API. Its behavior
// is different from regular HTTP range header. It only supports the
// form `bytes=first-last` where first and last are zero-based byte
// offsets. See
// http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadUploadPartCopy.html
// for full details. This function treats an empty rangeString as
// referring to the whole resource.

    }

    @Test
    @DisplayName("Should write zeros for reserved field")
    void testReservedFieldIsZero() {
        // Given
        Configuration mockConfig = mock(Configuration.class);
        Smb2TreeDisconnectRequest request = new Smb2TreeDisconnectRequest(mockConfig);
        byte[] buffer = new byte[256];
        // Fill with non-zero values first
        for (int i = 0; i < buffer.length; i++) {

        new SecureRandom().nextBytes(data);

        // Verify data is not all zeros initially
        boolean hasNonZero = false;
        for (byte b : data) {
            if (b != 0) {
                hasNonZero = true;
                break;
            }
        }
        assertTrue(hasNonZero, "Data should have non-zero bytes");

        SecureKeyManager.secureWipe(data);

        // Verify data is wiped

            response = mock(CommonServerMessageBlock.class);
        }

        @Test
        @DisplayName("Should sign data correctly with zero signature field")
        void testSignZeroesSignatureField() {
            // Fill signature field with non-zero values
            for (int i = 0; i < SIGNATURE_LENGTH; i++) {
                data[SIGNATURE_OFFSET + i] = (byte) 0xFF;
            }

      long remainingNanos = unit.toNanos(timeout);
      long end = System.nanoTime() + remainingNanos;

      while (true) {
        try {
          // TimeUnit.timedJoin() treats negative timeouts just like zero.
          NANOSECONDS.timedJoin(thread, remainingNanos);
          return;
        } catch (InterruptedException e) {
          interrupted = true;
          remainingNanos = end - System.nanoTime();
        }

        dstIndex += 16;

        // LeaseState (4 bytes)
        SMBUtil.writeInt4(leaseState, dst, dstIndex);
        dstIndex += 4;

        // LeaseDuration (8 bytes) - must be zero for acknowledgment
        SMBUtil.writeInt8(0, dst, dstIndex);
        dstIndex += 8;

        return dstIndex - start;
    }

    @Override