code: @Override
      public Cluster enableSnapshotCopy(EnableSnapshotCopyRequest request) {
          request = beforeClientExecution(request);
          return executeEnableSnapshotCopy(request);
      }
docs: <p>
  Enables the automatic copy of snapshots from one region to another region for a specified cluster.
  </p>
  
  @param enableSnapshotCopyRequest
  @return Result of the EnableSnapshotCopy operation returned by the service.
  @throws IncompatibleOrderableOptionsException
  The specified options are incompatible.
  @throws InvalidClusterStateException
  The specified cluster is not in the <code>available</code> state.
  @throws ClusterNotFoundException
  The <code>ClusterIdentifier</code> parameter does not refer to an existing cluster.
  @throws CopyToRegionDisabledException
  Cross-region snapshot copy was temporarily disabled. Try your request again.
  @throws SnapshotCopyAlreadyEnabledException
  The cluster already has cross-region snapshot copy enabled.
  @throws UnknownSnapshotCopyRegionException
  The specified region is incorrect or does not exist.
  @throws UnauthorizedOperationException
  Your account is not authorized to perform the requested operation.
  @throws SnapshotCopyGrantNotFoundException
  The specified snapshot copy grant can't be found. Make sure that the name is typed correctly and that the
  grant exists in the destination region.
  @throws LimitExceededException
  The encryption key has exceeded its grant limit in AWS KMS.
  @throws DependentServiceRequestThrottlingException
  The request cannot be completed because a dependent service is throttling requests made by Amazon
  Redshift on your behalf. Wait and retry the request.
  @throws InvalidRetentionPeriodException
  The retention period specified is either in the past or is not a valid value.</p>
  <p>
  The value must be either -1 or an integer between 1 and 3,653.
  @sample AmazonRedshift.EnableSnapshotCopy
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/redshift-2012-12-01/EnableSnapshotCopy" target="_top">AWS
  API Documentation</a>