code: func (c *Redshift) RevokeSnapshotAccess(input *RevokeSnapshotAccessInput) (*RevokeSnapshotAccessOutput, error) {
  	req, out := c.RevokeSnapshotAccessRequest(input)
  	return out, req.Send()
  }
docs: // RevokeSnapshotAccess API operation for Amazon Redshift.
  //
  // Removes the ability of the specified AWS customer account to restore the
  // specified snapshot. If the account is currently restoring the snapshot, the
  // restore will run to completion.
  //
  // For more information about working with snapshots, go to Amazon Redshift
  // Snapshots (https://docs.aws.amazon.com/redshift/latest/mgmt/working-with-snapshots.html)
  // in the Amazon Redshift Cluster Management Guide.
  //
  // 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 RevokeSnapshotAccess for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeAccessToSnapshotDeniedFault "AccessToSnapshotDenied"
  //   The owner of the specified snapshot has not authorized your account to access
  //   the snapshot.
  //
  //   * ErrCodeAuthorizationNotFoundFault "AuthorizationNotFound"
  //   The specified CIDR IP range or EC2 security group is not authorized for the
  //   specified cluster security group.
  //
  //   * ErrCodeClusterSnapshotNotFoundFault "ClusterSnapshotNotFound"
  //   The snapshot identifier does not refer to an existing cluster snapshot.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/redshift-2012-12-01/RevokeSnapshotAccess