code: func (c *Redshift) DisableSnapshotCopy(input *DisableSnapshotCopyInput) (*DisableSnapshotCopyOutput, error) {
  	req, out := c.DisableSnapshotCopyRequest(input)
  	return out, req.Send()
  }
docs: // DisableSnapshotCopy API operation for Amazon Redshift.
  //
  // Disables the automatic copying of snapshots from one region to another region
  // for a specified cluster.
  //
  // If your cluster and its snapshots are encrypted using a customer master key
  // (CMK) from AWS KMS, use DeleteSnapshotCopyGrant to delete the grant that
  // grants Amazon Redshift permission to the CMK in the destination region.
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for Amazon Redshift's
  // API operation DisableSnapshotCopy for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeClusterNotFoundFault "ClusterNotFound"
  //   The ClusterIdentifier parameter does not refer to an existing cluster.
  //
  //   * ErrCodeSnapshotCopyAlreadyDisabledFault "SnapshotCopyAlreadyDisabledFault"
  //   The cluster already has cross-region snapshot copy disabled.
  //
  //   * ErrCodeInvalidClusterStateFault "InvalidClusterState"
  //   The specified cluster is not in the available state.
  //
  //   * ErrCodeUnauthorizedOperation "UnauthorizedOperation"
  //   Your account is not authorized to perform the requested operation.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/redshift-2012-12-01/DisableSnapshotCopy