myenv/Lib/site-packages/langchain/_api/deprecation.py

from langchain_core._api.deprecation import (
    LangChainDeprecationWarning,
    LangChainPendingDeprecationWarning,
    deprecated,
    suppress_langchain_deprecation_warning,
    surface_langchain_deprecation_warnings,
    warn_deprecated,
)

__all__ = [
    "LangChainDeprecationWarning",
    "LangChainPendingDeprecationWarning",
    "deprecated",
    "suppress_langchain_deprecation_warning",
    "warn_deprecated",
    "surface_langchain_deprecation_warnings",
]