def update_conditional_forwarder(DirectoryId=None, RemoteDomainName=None,
    DnsIpAddrs=None):
    """
    Updates a conditional forwarder that has been set up for your AWS directory.
    See also: AWS API Documentation
    
    
    :example: response = client.update_conditional_forwarder(
        DirectoryId='string',
        RemoteDomainName='string',
        DnsIpAddrs=[
            'string',
        ]
    )
    
    
    :type DirectoryId: string
    :param DirectoryId: [REQUIRED]
            The directory ID of the AWS directory for which to update the conditional forwarder.
            

    :type RemoteDomainName: string
    :param RemoteDomainName: [REQUIRED]
            The fully qualified domain name (FQDN) of the remote domain with which you will set up a trust relationship.
            

    :type DnsIpAddrs: list
    :param DnsIpAddrs: [REQUIRED]
            The updated IP addresses of the remote DNS server associated with the conditional forwarder.
            (string) --
            

    :rtype: dict
    :return: {}
    
    
    """
    pass
