def setup_backend(self):
        raise NotImplementedError()
Add the response header to the headers buffer and log the
dataset/ETHPy150Open getlogbook/logbook/logbook/ticketing.py/BackendBase.setup_backend--crossover with--dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/future/backports/http/server.py/BaseHTTPRequestHandler.send_response