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# Source code for langchain.agents.agent_types

    """Module definitions of agent types together with corresponding agents."""
    from enum import Enum

    from langchain_core._api import deprecated

    @deprecated(
        "0.1.0",
        alternative=(
            "Use new agent constructor methods like create_react_agent, create_json_agent, "
            "create_structured_chat_agent, etc."
        ),
        removal="0.3.0",
    )
    class AgentType(str, Enum):
        """An enum for agent types.

        See documentation: https://python.langchain.com/docs/modules/agents/agent_types/
        """

        ZERO_SHOT_REACT_DESCRIPTION = "zero-shot-react-description"
        """A zero shot agent that does a reasoning step before acting."""

        REACT_DOCSTORE = "react-docstore"
        """A zero shot agent that does a reasoning step before acting.

        This agent has access to a document store that allows it to look up
        relevant information to answering the question.
        """

        SELF_ASK_WITH_SEARCH = "self-ask-with-search"
        """An agent that breaks down a complex question into a series of simpler questions.

        This agent uses a search tool to look up answers to the simpler questions
        in order to answer the original complex question.
        """
        CONVERSATIONAL_REACT_DESCRIPTION = "conversational-react-description"
        CHAT_ZERO_SHOT_REACT_DESCRIPTION = "chat-zero-shot-react-description"
        """A zero shot agent that does a reasoning step before acting.

        This agent is designed to be used in conjunction
        """

        CHAT_CONVERSATIONAL_REACT_DESCRIPTION = "chat-conversational-react-description"

        STRUCTURED_CHAT_ZERO_SHOT_REACT_DESCRIPTION = (
            "structured-chat-zero-shot-react-description"
        )
        """An zero-shot react agent optimized for chat models.

        This agent is capable of invoking tools that have multiple inputs.
        """

        OPENAI_FUNCTIONS = "openai-functions"
        """An agent optimized for using open AI functions."""

        OPENAI_MULTI_FUNCTIONS = "openai-multi-functions"