newUpdater(AbstractFuture.class, Object.class, "value"));
      } catch (Exception // sneaky checked exception
          | Error atomicReferenceFieldUpdaterFailure) {
        // Some Android 5.0.x Samsung devices have bugs in JDK reflection APIs that cause
        // getDeclaredField to throw a NoSuchFieldException when the field is definitely there.

        case 0x10B: // NT_STATUS_NOTIFY_CLEANUP:
        case NtStatus.NT_STATUS_NOTIFY_ENUM_DIR:
            break;
        case 0xC00000BB: // NT_STATUS_NOT_SUPPORTED
        case 0xC0000010: // NT_STATUS_INVALID_DEVICE_REQUEST
            throw new SmbUnsupportedOperationException();
        case NtStatus.NT_STATUS_PATH_NOT_COVERED:
            if ( ! ( req instanceof RequestWithPath ) ) {