langchain Architecture Docs
Home / Function/ collections() — langchain Function Reference

collections() — langchain Function Reference

Architecture documentation for the collections() function in tool_emulator.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

Dependency Diagram

graph TD
  19dfc12b_bc35_ef59_035c_ba8507bdf6c7["collections()"]
  9d440466_e21c_2c68_e5d1_992787a1d0d9["tool_emulator.py"]
  19dfc12b_bc35_ef59_035c_ba8507bdf6c7 -->|defined in| 9d440466_e21c_2c68_e5d1_992787a1d0d9
  style 19dfc12b_bc35_ef59_035c_ba8507bdf6c7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/tool_emulator.py lines 14–19

    from collections.abc import Awaitable, Callable

    from langgraph.types import Command

    from langchain.agents.middleware.types import ToolCallRequest
    from langchain.tools import BaseTool

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does collections() do?
collections() is a function in the langchain codebase, defined in libs/langchain_v1/langchain/agents/middleware/tool_emulator.py.
Where is collections() defined?
collections() is defined in libs/langchain_v1/langchain/agents/middleware/tool_emulator.py at line 14.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free