def list_query_executions(NextToken=None, MaxResults=None):
    """
    Provides a list of all available query execution IDs.
    For code samples using the AWS SDK for Java, see Examples and Code Samples in the Amazon Athena User Guide .
    See also: AWS API Documentation
    
    
    :example: response = client.list_query_executions(
        NextToken='string',
        MaxResults=123
    )
    
    
    :type NextToken: string
    :param NextToken: The token that specifies where to start pagination if a previous request was truncated.

    :type MaxResults: integer
    :param MaxResults: The maximum number of query executions to return in this request.

    :rtype: dict
    :return: {
        'QueryExecutionIds': [
            'string',
        ],
        'NextToken': 'string'
    }
    
    
    :returns: 
    (string) --
    
    """
    pass
