def describe_log_groups(logGroupNamePrefix=None, nextToken=None, limit=None):
    """
    Lists the specified log groups. You can list all your log groups or filter the results by prefix. The results are ASCII-sorted by log group name.
    See also: AWS API Documentation
    
    
    :example: response = client.describe_log_groups(
        logGroupNamePrefix='string',
        nextToken='string',
        limit=123
    )
    
    
    :type logGroupNamePrefix: string
    :param logGroupNamePrefix: The prefix to match.

    :type nextToken: string
    :param nextToken: The token for the next set of items to return. (You received this token from a previous call.)

    :type limit: integer
    :param limit: The maximum number of items returned. If you don't specify a value, the default is up to 50 items.

    :rtype: dict
    :return: {
        'logGroups': [
            {
                'logGroupName': 'string',
                'creationTime': 123,
                'retentionInDays': 123,
                'metricFilterCount': 123,
                'arn': 'string',
                'storedBytes': 123
            },
        ],
        'nextToken': 'string'
    }
    
    
    """
    pass
