@n8n/n8n-nodes-langchain
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TypeScript
import type { BaseLanguageModel } from '@langchain/core/language_models/base';
import type { BaseChatModel } from '@langchain/core/language_models/chat_models';
import type { BaseLLMOutputParser } from '@langchain/core/output_parsers';
import { JsonOutputParser } from '@langchain/core/output_parsers';
import type { ChainExecutionParams } from './types';
export declare class NaiveJsonOutputParser<T extends Record<string, any> = Record<string, any>> extends JsonOutputParser<T> {
parse(text: string): Promise<T>;
}
export declare function isModelWithResponseFormat(llm: BaseLanguageModel): llm is BaseLanguageModel & {
modelKwargs: {
response_format: {
type: string;
};
};
};
export declare function isModelInThinkingMode(llm: BaseLanguageModel): llm is BaseLanguageModel & {
lc_kwargs: {
invocationKwargs: {
thinking: {
type: string;
};
};
};
};
export declare function isModelWithFormat(llm: BaseLanguageModel): llm is BaseLanguageModel & {
format: string;
};
export declare function getOutputParserForLLM(llm: BaseChatModel | BaseLanguageModel): BaseLLMOutputParser<string | Record<string, unknown>>;
export declare function executeChain({ context, itemIndex, query, llm, outputParser, messages, fallbackLlm, }: ChainExecutionParams): Promise<unknown[]>;