return remove(key, 0);
  }

  /**
   * Removes all mappings from this map whose values are zero.
   *
   * <p>This method is not atomic: the map may be visible in intermediate states, where some of the
   * zero values have been removed and others have not.
   */
  public void removeAllZeros() {
    map.values().removeIf(x -> x == 0);
  }

  /**

        this.leaseKey = leaseKey;
    }

    /**
     * Gets the requested lease state flags
     * @return the requested lease state
     */
    public int getLeaseState() {
        return leaseState;
    }

    /**
     * Sets the requested lease state flags
     * @param leaseState the lease state to set
     */
    public void setLeaseState(int leaseState) {
        this.leaseState = leaseState;

    public static final int DFS_VOLUME_FLAVOR_AD_BLOB = 0x200;
    /**
     * DFS storage state indicating offline status
     */
    public static final int DFS_STORAGE_STATE_OFFLINE = 0x0001;
    /**
     * DFS storage state indicating online status
     */
    public static final int DFS_STORAGE_STATE_ONLINE = 0x0002;
    /**
     * DFS storage state indicating active status
     */

        // Assert
        assertFalse(result);
        verify(negotiationResponse).canReuse(null, false);
    }

    @Test
    @DisplayName("Test signing state combinations")
    void testSigningStateCombinations() {
        // Test all combinations of signing states

        // Signing disabled
        when(negotiationResponse.isSigningEnabled()).thenReturn(false);

        return leaseKey;
    }

    /**
     * Gets the current lease state before the break
     * @return the current lease state
     */
    public int getCurrentLeaseState() {
        return currentLeaseState;
    }

    /**
     * Gets the new lease state after the break
     * @return the new lease state
     */
    public int getNewLeaseState() {
        return newLeaseState;
    }

        this.roomNumber = value;
    }

    public String getState() {
        checkSpecifiedProperty("state");
        return convertEmptyToNull(state);
    }

    public void setState(String value) {
        registerModifiedProperty("state");
        this.state = value;
    }

    public String getStreet() {
        checkSpecifiedProperty("street");

     *   <li>If this field's value == null because it was associated with our thread and was
     *       cleared, we know that we're not executing inline any more
     * </ul>
     *
     * All the states where thread != currentThread are identical for our purposes, and so even
     * though it's racy, we don't care which of those values we get, so no need to synchronize.
     */
    @LazyInit @Nullable Thread thread;

      this.clazz = checkNotNull(clazz);
    }

    @Override
    public Set<V> get() {
      return EnumSet.noneOf(clazz);
    }
  }

  /**
   * An intermediate stage in a {@link MultimapBuilder} in which the key-value collection map
   * implementation has been specified, but the value collection implementation has not.
   *

import com.google.common.util.concurrent.Service.State;

/**
 * Superinterface of {@link ServiceManager} to introduce a bridge method for {@code
 * servicesByState()}, to ensure binary compatibility with older Guava versions that specified
 * {@code servicesByState()} to return {@code ImmutableMultimap}.
 */
@J2ktIncompatible
@GwtIncompatible
interface ServiceManagerBridge {
  ImmutableMultimap<State, Service> servicesByState();

├── Smb2LeaseKey.java            - 16-byte lease key management
├── Smb2LeaseState.java          - Lease state flags (R, H, W)
└── LeaseManager.java            - Central lease management
```

#### 1.2 Implementation Tasks
- [ ] Define lease state constants (SMB2_LEASE_READ, SMB2_LEASE_HANDLE, SMB2_LEASE_WRITE)
- [ ] Implement lease key generation and management