} catch (CancellationException e) {
      // TODO(user): verify future behavior - unify logic with getFutureValue in AbstractFuture. This
      // code should be unreachable with correctly implemented Futures.
      // Cancel this future and return.
      // At this point, inputFuture is cancelled and outputFuture doesn't exist, so the value of
      // mayInterruptIfRunning is irrelevant.
      cancel(false);

     *
     * We rely on checkers to implement special cases to catch dangerous calls to join(), etc. based
     * on what they know about the particular Joiner instances the calls are performed on.
     *
     * (In addition to useForNull, we also offer skipNulls. It, too, tolerates null inputs, but its
     * tolerance is implemented differently: Its implementation avoids calling this toString(Object)

 *
 * <h4 id="java8">Java 8+ equivalents</h4>
 *
 * If you are using Java version 8 or greater, you should generally use the static methods in {@link
 * Comparator} instead of {@code ComparisonChain}. The example above can be implemented like this:
 *
 * {@snippet :
 * import static java.util.Comparator.comparing;
 * import static java.util.Comparator.nullsLast;
 * import static java.util.Comparator.naturalOrder;
 *
 * ...

  // PyFuncOp on TFRT, and might be useful for ops that directly use low
  // level TF APIs. Remove/replace the following functions when TFRT native
  // ops are implemented.
  //===--------------------------------------------------------------------===//
  // Create an abstract tensor handle from tensorflow::Tensor.
  virtual ImmediateExecutionTensorHandle* CreateLocalHandleFromTFTensor(

  }

  /** Provides a lexicographical comparator implementation selected based on the current runtime. */
  @VisibleForTesting
  static final class LexicographicalComparatorHolder {
    /**
     * Interface implemented by {@link UnsafeComparator}, extracted so that we can refer to it
     * without referring to {@link UnsafeComparator} itself.
     */
    interface LexicographicalComparator extends Comparator<byte[]> {

                }
            }
        }
    }

    private void notifyOperationFailure(CommonServerMessageBlock op, Exception error) {
        // This would need to be implemented based on how the SMB operations
        // handle asynchronous failures in the actual transport implementation
        log.debug("Operation failed during redistribution: {}", error.getMessage());
    }

   * @throws UnsupportedOperationException if backward conversion is not implemented; this should be
   *     very rare. Note that if backward conversion is not only unimplemented but
   *     unimplement<i>able</i> (for example, consider a {@code Converter<Chicken, ChickenNugget>}),
   *     then this is not logically a {@code Converter} at all, and should just implement {@link
   *     Function}.
   */
  @ForOverride

 * {@link #compareAndSet} by comparing their bitwise representation using {@link
 * Double#doubleToRawLongBits}, which differs from both the primitive double {@code ==} operator and
 * from {@link Double#equals}, as if implemented by:
 *
 * {@snippet :
 * static boolean bitEquals(double x, double y) {
 *   long xBits = Double.doubleToRawLongBits(x);
 *   long yBits = Double.doubleToRawLongBits(y);
 *   return xBits == yBits;
 * }
 * }

			exception: []string{"B"},
			ok:        true,
			out:       "",
		},

		// Test that a feature required on a subset of ports is implicitly satisfied
		// by the same feature being implemented on all ports. That is, it shouldn't
		// say "pkg syscall (darwin-amd64), type RawSockaddrInet6 struct" is missing.
		// See https://go.dev/issue/4303.
		{
			name: "contexts reconverging after api/next/* update",

- [ ] Define lease state constants (SMB2_LEASE_READ, SMB2_LEASE_HANDLE, SMB2_LEASE_WRITE)
- [ ] Implement lease key generation and management
- [ ] Add lease context to Create request/response
- [ ] Implement lease break notification handling
- [ ] Modify SmbFile to support lease-based caching
- [ ] Add lease upgrade/downgrade logic
- [ ] Implement lease epoch tracking for v2 leases

#### 1.3 Integration Points