def exists(<EOL>self, pool_id, pool_exists_options=None, custom_headers=None, raw=False, **operation_config):
timeout = None<EOL>if pool_exists_options is not None:<EOL><INDENT>timeout = pool_exists_options.timeout<EOL><DEDENT>client_request_id = None<EOL>if pool_exists_options is not None:<EOL><INDENT>client_request_id = pool_exists_options.client_request_id<EOL><DEDENT>return_client_request_id = None<EOL>if pool_exists_options is not None:<EOL><INDENT>return_client_request_id = pool_exists_options.return_client_request_id<EOL><DEDENT>ocp_date = None<EOL>if pool_exists_options is not None:<EOL><INDENT>ocp_date = pool_exists_options.ocp_date<EOL><DEDENT>if_match = None<EOL>if pool_exists_options is not None:<EOL><INDENT>if_match = pool_exists_options.if_match<EOL><DEDENT>if_none_match = None<EOL>if pool_exists_options is not None:<EOL><INDENT>if_none_match = pool_exists_options.if_none_match<EOL><DEDENT>if_modified_since = None<EOL>if pool_exists_options is not None:<EOL><INDENT>if_modified_since = pool_exists_options.if_modified_since<EOL><DEDENT>if_unmodified_since = None<EOL>if pool_exists_options is not None:<EOL><INDENT>if_unmodified_since = pool_exists_options.if_unmodified_since<EOL><DEDENT>url = self.exists.metadata['<STR_LIT:url>']<EOL>path_format_arguments = {<EOL>'<STR_LIT>': self._serialize.url("<STR_LIT>", self.config.batch_url, '<STR_LIT:str>', skip_quote=True),<EOL>'<STR_LIT>': self._serialize.url("<STR_LIT>", pool_id, '<STR_LIT:str>')<EOL>}<EOL>url = self._client.format_url(url, **path_format_arguments)<EOL>query_parameters = {}<EOL>query_parameters['<STR_LIT>'] = self._serialize.query("<STR_LIT>", self.api_version, '<STR_LIT:str>')<EOL>if timeout is not None:<EOL><INDENT>query_parameters['<STR_LIT>'] = self._serialize.query("<STR_LIT>", timeout, '<STR_LIT:int>')<EOL><DEDENT>header_parameters = {}<EOL>if self.config.generate_client_request_id:<EOL><INDENT>header_parameters['<STR_LIT>'] = str(uuid.uuid1())<EOL><DEDENT>if custom_headers:<EOL><INDENT>header_parameters.update(custom_headers)<EOL><DEDENT>if self.config.accept_language is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", self.config.accept_language, '<STR_LIT:str>')<EOL><DEDENT>if client_request_id is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", client_request_id, '<STR_LIT:str>')<EOL><DEDENT>if return_client_request_id is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", return_client_request_id, '<STR_LIT:bool>')<EOL><DEDENT>if ocp_date is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", ocp_date, '<STR_LIT>')<EOL><DEDENT>if if_match is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", if_match, '<STR_LIT:str>')<EOL><DEDENT>if if_none_match is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", if_none_match, '<STR_LIT:str>')<EOL><DEDENT>if if_modified_since is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", if_modified_since, '<STR_LIT>')<EOL><DEDENT>if if_unmodified_since is not None:<EOL><INDENT>header_parameters['<STR_LIT>'] = self._serialize.header("<STR_LIT>", if_unmodified_since, '<STR_LIT>')<EOL><DEDENT>request = self._client.head(url, query_parameters, header_parameters)<EOL>response = self._client.send(request, stream=False, **operation_config)<EOL>if response.status_code not in [<NUM_LIT:200>, <NUM_LIT>]:<EOL><INDENT>raise models.BatchErrorException(self._deserialize, response)<EOL><DEDENT>deserialized = (response.status_code == <NUM_LIT:200>)<EOL>if raw:<EOL><INDENT>client_raw_response = ClientRawResponse(deserialized, response)<EOL>client_raw_response.add_headers({<EOL>'<STR_LIT>': '<STR_LIT:str>',<EOL>'<STR_LIT>': '<STR_LIT:str>',<EOL>'<STR_LIT>': '<STR_LIT:str>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>})<EOL>return client_raw_response<EOL><DEDENT>return deserialized<EOL>
Gets basic properties of a pool.

        :param pool_id: The ID of the pool to get.
        :type pool_id: str
        :param pool_exists_options: Additional parameters for the operation
        :type pool_exists_options: ~azure.batch.models.PoolExistsOptions
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: bool or ClientRawResponse if raw=true
        :rtype: bool or ~msrest.pipeline.ClientRawResponse
        :raises:
         :class:`BatchErrorException<azure.batch.models.BatchErrorException>`