@langchain/core/dist/testing/index.d.ts

Core LangChain.js abstractions and schemas

import { LangChainMatchers, langchainMatchers, toBeAIMessage, toBeHumanMessage, toBeSystemMessage, toBeToolMessage, toContainToolCall, toHaveBeenInterrupted, toHaveStructuredResponse, toHaveToolCallCount, toHaveToolCalls, toHaveToolMessages } from "./matchers.js";
import { FakeBuiltModel, fakeModel } from "./fake_model_builder.js";
export { FakeBuiltModel, LangChainMatchers, fakeModel, langchainMatchers, toBeAIMessage, toBeHumanMessage, toBeSystemMessage, toBeToolMessage, toContainToolCall, toHaveBeenInterrupted, toHaveStructuredResponse, toHaveToolCallCount, toHaveToolCalls, toHaveToolMessages };