How to use the azure-storage-common.azure.storage.common.sharedaccesssignature._QueryStringConstants function in azure-storage-common

def add_override_response_headers(self, cache_control,
                                      content_disposition,
                                      content_encoding,
                                      content_language,
                                      content_type):
        self._add_query(_QueryStringConstants.SIGNED_CACHE_CONTROL, cache_control)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_DISPOSITION, content_disposition)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_ENCODING, content_encoding)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_LANGUAGE, content_language)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_TYPE, content_type)

def add_override_response_headers(self, cache_control,
                                      content_disposition,
                                      content_encoding,
                                      content_language,
                                      content_type):
        self._add_query(_QueryStringConstants.SIGNED_CACHE_CONTROL, cache_control)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_DISPOSITION, content_disposition)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_ENCODING, content_encoding)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_LANGUAGE, content_language)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_TYPE, content_type)

def add_resource(self, resource):
        self._add_query(_QueryStringConstants.SIGNED_RESOURCE, resource)

def add_override_response_headers(self, cache_control,
                                      content_disposition,
                                      content_encoding,
                                      content_language,
                                      content_type):
        self._add_query(_QueryStringConstants.SIGNED_CACHE_CONTROL, cache_control)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_DISPOSITION, content_disposition)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_ENCODING, content_encoding)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_LANGUAGE, content_language)
        self._add_query(_QueryStringConstants.SIGNED_CONTENT_TYPE, content_type)

def get_value_to_append(query):
            return_value = self.query_dict.get(query) or ''
            return return_value + '\n'

        string_to_sign = \
            (account_name + '\n' +
             get_value_to_append(_QueryStringConstants.SIGNED_PERMISSION) +
             get_value_to_append(_QueryStringConstants.SIGNED_SERVICES) +
             get_value_to_append(_QueryStringConstants.SIGNED_RESOURCE_TYPES) +
             get_value_to_append(_QueryStringConstants.SIGNED_START) +
             get_value_to_append(_QueryStringConstants.SIGNED_EXPIRY) +
             get_value_to_append(_QueryStringConstants.SIGNED_IP) +
             get_value_to_append(_QueryStringConstants.SIGNED_PROTOCOL) +
             get_value_to_append(_QueryStringConstants.SIGNED_VERSION))

        self._add_query(_QueryStringConstants.SIGNED_SIGNATURE,
                        _sign_string(account_key, string_to_sign))

def add_account(self, services, resource_types):
        self._add_query(_QueryStringConstants.SIGNED_SERVICES, services)
        self._add_query(_QueryStringConstants.SIGNED_RESOURCE_TYPES, resource_types)

def add_account_signature(self, account_name, account_key):
        def get_value_to_append(query):
            return_value = self.query_dict.get(query) or ''
            return return_value + '\n'

        string_to_sign = \
            (account_name + '\n' +
             get_value_to_append(_QueryStringConstants.SIGNED_PERMISSION) +
             get_value_to_append(_QueryStringConstants.SIGNED_SERVICES) +
             get_value_to_append(_QueryStringConstants.SIGNED_RESOURCE_TYPES) +
             get_value_to_append(_QueryStringConstants.SIGNED_START) +
             get_value_to_append(_QueryStringConstants.SIGNED_EXPIRY) +
             get_value_to_append(_QueryStringConstants.SIGNED_IP) +
             get_value_to_append(_QueryStringConstants.SIGNED_PROTOCOL) +
             get_value_to_append(_QueryStringConstants.SIGNED_VERSION))

        self._add_query(_QueryStringConstants.SIGNED_SIGNATURE,
                        _sign_string(account_key, string_to_sign))

def add_base(self, permission, expiry, start, ip, protocol, x_ms_version):
        if isinstance(start, date):
            start = _to_utc_datetime(start)

        if isinstance(expiry, date):
            expiry = _to_utc_datetime(expiry)

        self._add_query(_QueryStringConstants.SIGNED_START, start)
        self._add_query(_QueryStringConstants.SIGNED_EXPIRY, expiry)
        self._add_query(_QueryStringConstants.SIGNED_PERMISSION, permission)
        self._add_query(_QueryStringConstants.SIGNED_IP, ip)
        self._add_query(_QueryStringConstants.SIGNED_PROTOCOL, protocol)
        self._add_query(_QueryStringConstants.SIGNED_VERSION, x_ms_version)

def add_base(self, permission, expiry, start, ip, protocol, x_ms_version):
        if isinstance(start, date):
            start = _to_utc_datetime(start)

        if isinstance(expiry, date):
            expiry = _to_utc_datetime(expiry)

        self._add_query(_QueryStringConstants.SIGNED_START, start)
        self._add_query(_QueryStringConstants.SIGNED_EXPIRY, expiry)
        self._add_query(_QueryStringConstants.SIGNED_PERMISSION, permission)
        self._add_query(_QueryStringConstants.SIGNED_IP, ip)
        self._add_query(_QueryStringConstants.SIGNED_PROTOCOL, protocol)
        self._add_query(_QueryStringConstants.SIGNED_VERSION, x_ms_version)

def _scrub_headers(headers):
        # make a copy to avoid contaminating the request
        clean_headers = headers.copy()

        if _AUTHORIZATION_HEADER_NAME in clean_headers:
            clean_headers[_AUTHORIZATION_HEADER_NAME] = _REDACTED_VALUE

        # in case of copy operations, there could be a SAS signature present in the header value
        if _COPY_SOURCE_HEADER_NAME in clean_headers \
                and _QueryStringConstants.SIGNED_SIGNATURE + "=" in clean_headers[_COPY_SOURCE_HEADER_NAME]:
            # take the url apart and scrub away the signed signature
            scheme, netloc, path, params, query, fragment = urlparse(clean_headers[_COPY_SOURCE_HEADER_NAME])
            parsed_qs = dict(parse_qsl(query))
            parsed_qs[_QueryStringConstants.SIGNED_SIGNATURE] = _REDACTED_VALUE

            # the SAS needs to be put back together
            clean_headers[_COPY_SOURCE_HEADER_NAME] = urlunparse(
                (scheme, netloc, path, params, urlencode(parsed_qs), fragment))
        return clean_headers