def get_csv_header(UserPoolId=None):
    """
    Gets the header information for the .csv file to be used as input for the user import job.
    See also: AWS API Documentation
    
    
    :example: response = client.get_csv_header(
        UserPoolId='string'
    )
    
    
    :type UserPoolId: string
    :param UserPoolId: [REQUIRED]
            The user pool ID for the user pool that the users are to be imported into.
            

    :rtype: dict
    :return: {
        'UserPoolId': 'string',
        'CSVHeader': [
            'string',
        ]
    }
    
    
    """
    pass
