def create_reusable_delegation_set(CallerReference=None, HostedZoneId=None):
    """
    Creates a delegation set (a group of four name servers) that can be reused by multiple hosted zones. If a hosted zoned ID is specified, CreateReusableDelegationSet marks the delegation set associated with that zone as reusable
    For information on how to use a reusable delegation set to configure white label name servers, see Configuring White Label Name Servers .
    See also: AWS API Documentation
    
    
    :example: response = client.create_reusable_delegation_set(
        CallerReference='string',
        HostedZoneId='string'
    )
    
    
    :type CallerReference: string
    :param CallerReference: [REQUIRED]
            A unique string that identifies the request, and that allows you to retry failed CreateReusableDelegationSet requests without the risk of executing the operation twice. You must use a unique CallerReference string every time you submit a CreateReusableDelegationSet request. CallerReference can be any unique string, for example a date/time stamp.
            

    :type HostedZoneId: string
    :param HostedZoneId: If you want to mark the delegation set for an existing hosted zone as reusable, the ID for that hosted zone.

    :rtype: dict
    :return: {
        'DelegationSet': {
            'Id': 'string',
            'CallerReference': 'string',
            'NameServers': [
                'string',
            ]
        },
        'Location': 'string'
    }
    
    
    :returns: 
    (string) --
    
    """
    pass
