def cancel_export_task(taskId=None):
    """
    Cancels the specified export task.
    The task must be in the PENDING or RUNNING state.
    See also: AWS API Documentation
    
    
    :example: response = client.cancel_export_task(
        taskId='string'
    )
    
    
    :type taskId: string
    :param taskId: [REQUIRED]
            The ID of the export task.
            

    """
    pass
