if (domains == null) {
                return false;
            }
            domain = domain.toLowerCase(Locale.ROOT);
            return domains.get(domain) != null;
        }
    }

    private DfsReferralData getDcReferrals(final CIFSContext tf, final String domain) throws SmbAuthException {
        if (tf.getConfig().isDfsDisabled()) {
            return null;
        }

            enc = block;
        }
        return dk;
    }

    /**
     * Performs n-fold expansion of data as specified in RFC 3961.
     * This operation is used in Kerberos key derivation to expand or compress
     * input data to a specific output length.
     *
     * @param data the input data to expand
     * @param outlen the desired output length in bytes
     * @return the n-folded data of the specified length

      return "Conscrypt" == preferredProvider
    }

  private val isOpenJSSEPreferred: Boolean
    get() {
      val preferredProvider = Security.getProviders()[0].name
      return "OpenJSSE" == preferredProvider
    }

  private val isBouncyCastlePreferred: Boolean
    get() {
      val preferredProvider = Security.getProviders()[0].name
      return "BC" == preferredProvider
    }

      assertThat(e).matchesPredicate { it is CallStart || it is Canceled }
    } else {
      eventsForMatching.forEach loop@{
        when (e.closes(it)) {
          null -> return // no open event
          true -> return // found open event
          false -> return@loop // this is not the open event so continue
        }
      }
      fail<Any>("event $e without matching start event")
    }
  }

        @Override
        int writeSetupWireFormat(byte[] dst, int dstIndex) {
            return 0;
        }

        @Override
        int writeParametersWireFormat(byte[] dst, int dstIndex) {
            return 0;
        }

        @Override
        int writeDataWireFormat(byte[] dst, int dstIndex) {
            return 0;
        }

        @Override

     * This id should be used to compute the equality and hash code for the instance.
     *
     * @return the id
     */
    @Nonnull
    public String id() {
        return id;
    }

    public boolean isTransitive() {
        return transitive;
    }

    public boolean is(String id) {
        return id().equals(id);
    }

                return returnedResultData;
            }

            // Create default ResultData
            ResultData resultData = new ResultData();
            resultData.setTransformerName(getName());
            return resultData;
        }

        @Override
        public Object getData(AccessResultData<?> accessResultData) {

      return (T) in.readObject();
    } catch (IOException | ClassNotFoundException e) {
      throw new AssertionError(e);
    }
  }

  @Override
  public SampleElements<E> samples() {
    return delegate.samples();
  }

  @Override
  public E[] createArray(int length) {
    return delegate.createArray(length);
  }

  @Override

    // and is often faster.
    return delegateCollection().contains(target);
  }

  @Override
  public int size() {
    return delegateCollection().size();
  }

  @Override
  public boolean isEmpty() {
    return delegateCollection().isEmpty();
  }

  @Override
  boolean isPartialView() {
    return delegateCollection().isPartialView();
  }

// isEmpty returns true if Tags field is null
func (a And) isEmpty() bool {
	return len(a.Tags) == 0 && a.Prefix == ""
}

// Validate - validates the And field
func (a And) Validate() error {
	if a.ContainsDuplicateTag() {
		return errDuplicateTagKey
	}
	for _, t := range a.Tags {
		if err := t.Validate(); err != nil {
			return err
		}
	}
	return nil
}