code: @Override
      public IncreaseReplicationFactorResult increaseReplicationFactor(IncreaseReplicationFactorRequest request) {
          request = beforeClientExecution(request);
          return executeIncreaseReplicationFactor(request);
      }
docs: <p>
  Adds one or more nodes to a DAX cluster.
  </p>
  
  @param increaseReplicationFactorRequest
  @return Result of the IncreaseReplicationFactor operation returned by the service.
  @throws ClusterNotFoundException
  The requested cluster ID does not refer to an existing DAX cluster.
  @throws InvalidClusterStateException
  The requested DAX cluster is not in the <i>available</i> state.
  @throws InsufficientClusterCapacityException
  There are not enough system resources to create the cluster you requested (or to resize an
  already-existing cluster).
  @throws InvalidVPCNetworkStateException
  The VPC network is in an invalid state.
  @throws NodeQuotaForClusterExceededException
  You have attempted to exceed the maximum number of nodes for a DAX cluster.
  @throws NodeQuotaForCustomerExceededException
  You have attempted to exceed the maximum number of nodes for your AWS account.
  @throws ServiceLinkedRoleNotFoundException
  @throws InvalidParameterValueException
  The value for a parameter is invalid.
  @throws InvalidParameterCombinationException
  Two or more incompatible parameters were specified.
  @sample AmazonDax.IncreaseReplicationFactor
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/dax-2017-04-19/IncreaseReplicationFactor" target="_top">AWS
  API Documentation</a>