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classModelTracing(enum.Enum):DISABLED=0"""Tracing is disabled entirely."""ENABLED=1"""Tracing is enabled, and all data is included."""ENABLED_WITHOUT_DATA=2"""Tracing is enabled, but inputs/outputs are not included."""defis_disabled(self)->bool:returnself==ModelTracing.DISABLEDdefinclude_data(self)->bool:returnself==ModelTracing.ENABLED

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classModel(abc.ABC):"""The base interface for calling an LLM."""@abc.abstractmethodasyncdefget_response(self,system_instructions:str|None,input:str|list[TResponseInputItem],model_settings:ModelSettings,tools:list[Tool],output_schema:AgentOutputSchemaBase|None,handoffs:list[Handoff],tracing:ModelTracing,*,previous_response_id:str|None,prompt:ResponsePromptParam|None,)->ModelResponse:"""Get a response from the model.        Args:            system_instructions: The system instructions to use.            input: The input items to the model, in OpenAI Responses format.            model_settings: The model settings to use.            tools: The tools available to the model.            output_schema: The output schema to use.            handoffs: The handoffs available to the model.            tracing: Tracing configuration.            previous_response_id: the ID of the previous response. Generally not used by the model,                except for the OpenAI Responses API.            prompt: The prompt config to use for the model.        Returns:            The full model response.        """pass@abc.abstractmethoddefstream_response(self,system_instructions:str|None,input:str|list[TResponseInputItem],model_settings:ModelSettings,tools:list[Tool],output_schema:AgentOutputSchemaBase|None,handoffs:list[Handoff],tracing:ModelTracing,*,previous_response_id:str|None,prompt:ResponsePromptParam|None,)->AsyncIterator[TResponseStreamEvent]:"""Stream a response from the model.        Args:            system_instructions: The system instructions to use.            input: The input items to the model, in OpenAI Responses format.            model_settings: The model settings to use.            tools: The tools available to the model.            output_schema: The output schema to use.            handoffs: The handoffs available to the model.            tracing: Tracing configuration.            previous_response_id: the ID of the previous response. Generally not used by the model,                except for the OpenAI Responses API.            prompt: The prompt config to use for the model.        Returns:            An iterator of response stream events, in OpenAI Responses format.        """pass

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classModelProvider(abc.ABC):"""The base interface for a model provider.    Model provider is responsible for looking up Models by name.    """@abc.abstractmethoddefget_model(self,model_name:str|None)->Model:"""Get a model by name.        Args:            model_name: The name of the model to get.        Returns:            The model.        """