def list_remote_access_sessions(arn=None, nextToken=None):
    """
    Returns a list of all currently running remote access sessions.
    See also: AWS API Documentation
    
    Examples
    The following example returns information about a specific Device Farm remote access session.
    Expected Output:
    
    :example: response = client.list_remote_access_sessions(
        arn='string',
        nextToken='string'
    )
    
    
    :type arn: string
    :param arn: [REQUIRED]
            The Amazon Resource Name (ARN) of the remote access session about which you are requesting information.
            

    :type nextToken: string
    :param nextToken: An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.

    :rtype: dict
    :return: {
        'remoteAccessSessions': [
            {
                'arn': 'string',
                'name': 'string',
                'created': datetime(2015, 1, 1),
                'status': 'PENDING'|'PENDING_CONCURRENCY'|'PENDING_DEVICE'|'PROCESSING'|'SCHEDULING'|'PREPARING'|'RUNNING'|'COMPLETED'|'STOPPING',
                'result': 'PENDING'|'PASSED'|'WARNED'|'FAILED'|'SKIPPED'|'ERRORED'|'STOPPED',
                'message': 'string',
                'started': datetime(2015, 1, 1),
                'stopped': datetime(2015, 1, 1),
                'device': {
                    'arn': 'string',
                    'name': 'string',
                    'manufacturer': 'string',
                    'model': 'string',
                    'formFactor': 'PHONE'|'TABLET',
                    'platform': 'ANDROID'|'IOS',
                    'os': 'string',
                    'cpu': {
                        'frequency': 'string',
                        'architecture': 'string',
                        'clock': 123.0
                    },
                    'resolution': {
                        'width': 123,
                        'height': 123
                    },
                    'heapSize': 123,
                    'memory': 123,
                    'image': 'string',
                    'carrier': 'string',
                    'radio': 'string',
                    'remoteAccessEnabled': True|False,
                    'fleetType': 'string',
                    'fleetName': 'string'
                },
                'billingMethod': 'METERED'|'UNMETERED',
                'deviceMinutes': {
                    'total': 123.0,
                    'metered': 123.0,
                    'unmetered': 123.0
                },
                'endpoint': 'string'
            },
        ],
        'nextToken': 'string'
    }
    
    
    :returns: 
    PENDING: A pending status.
    PENDING_CONCURRENCY: A pending concurrency status.
    PENDING_DEVICE: A pending device status.
    PROCESSING: A processing status.
    SCHEDULING: A scheduling status.
    PREPARING: A preparing status.
    RUNNING: A running status.
    COMPLETED: A completed status.
    STOPPING: A stopping status.
    
    """
    pass
