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# Source code for langchain_community.docstore.base

    """Interface to access to place that stores documents."""
    from abc import ABC, abstractmethod
    from typing import Dict, List, Union

    from langchain_core.documents import Document

    class Docstore(ABC):
        """Interface to access to place that stores documents."""

        @abstractmethod
        def search(self, search: str) -> Union[str, Document]:
            """Search for document.

            If page exists, return the page summary, and a Document object.
            If page does not exist, return similar entries.
            """

        def delete(self, ids: List) -> None:
            """Deleting IDs from in memory dictionary."""
            raise NotImplementedError

    class AddableMixin(ABC):
        """Mixin class that supports adding texts."""

        @abstractmethod
        def add(self, texts: Dict[str, Document]) -> None:
            """Add more documents."""