@staticmethod<EOL><INDENT>def _query_string_params(flask_request):<DEDENT>
query_string_dict = {}<EOL>for query_string_key, query_string_list in flask_request.args.lists():<EOL><INDENT>query_string_value_length = len(query_string_list)<EOL>if not query_string_value_length:<EOL><INDENT>query_string_dict[query_string_key] = "<STR_LIT>"<EOL><DEDENT>else:<EOL><INDENT>query_string_dict[query_string_key] = query_string_list[-<NUM_LIT:1>]<EOL><DEDENT><DEDENT>return query_string_dict<EOL>
Constructs an APIGW equivalent query string dictionary

Parameters
----------
flask_request request
    Request from Flask

Returns dict (str: str)
-------
    Empty dict if no query params where in the request otherwise returns a dictionary of key to value