59 lines
3.1 KiB
TypeScript
59 lines
3.1 KiB
TypeScript
import type { BaseLanguageModelInterface } from "@langchain/core/language_models/base";
|
|
import { PromptTemplate } from "@langchain/core/prompts";
|
|
import { MultiRouteChain, MultiRouteChainInput } from "./multi_route.js";
|
|
import { BaseChain } from "../../chains/base.js";
|
|
import { LLMChainInput } from "../../chains/llm_chain.js";
|
|
/**
|
|
* A class that represents a multi-prompt chain in the LangChain
|
|
* framework. It extends the MultiRouteChain class and provides additional
|
|
* functionality specific to multi-prompt chains.
|
|
* @example
|
|
* ```typescript
|
|
* const multiPromptChain = MultiPromptChain.fromLLMAndPrompts(new ChatOpenAI(), {
|
|
* promptNames: ["physics", "math", "history"],
|
|
* promptDescriptions: [
|
|
* "Good for answering questions about physics",
|
|
* "Good for answering math questions",
|
|
* "Good for answering questions about history",
|
|
* ],
|
|
* promptTemplates: [
|
|
* `You are a very smart physics professor. Here is a question:\n{input}\n`,
|
|
* `You are a very good mathematician. Here is a question:\n{input}\n`,
|
|
* `You are a very smart history professor. Here is a question:\n{input}\n`,
|
|
* ],
|
|
* });
|
|
* const result = await multiPromptChain.call({
|
|
* input: "What is the speed of light?",
|
|
* });
|
|
* ```
|
|
*/
|
|
export declare class MultiPromptChain extends MultiRouteChain {
|
|
/**
|
|
* @deprecated Use `fromLLMAndPrompts` instead
|
|
*/
|
|
static fromPrompts(llm: BaseLanguageModelInterface, promptNames: string[], promptDescriptions: string[], promptTemplates: string[] | PromptTemplate[], defaultChain?: BaseChain, options?: Omit<MultiRouteChainInput, "defaultChain">): MultiPromptChain;
|
|
/**
|
|
* A static method that creates an instance of MultiPromptChain from a
|
|
* BaseLanguageModel and a set of prompts. It takes in optional parameters
|
|
* for the default chain and additional options.
|
|
* @param llm A BaseLanguageModel instance.
|
|
* @param promptNames An array of prompt names.
|
|
* @param promptDescriptions An array of prompt descriptions.
|
|
* @param promptTemplates An array of prompt templates.
|
|
* @param defaultChain An optional BaseChain instance to be used as the default chain.
|
|
* @param llmChainOpts Optional parameters for the LLMChainInput, excluding 'llm' and 'prompt'.
|
|
* @param conversationChainOpts Optional parameters for the LLMChainInput, excluding 'llm' and 'outputKey'.
|
|
* @param multiRouteChainOpts Optional parameters for the MultiRouteChainInput, excluding 'defaultChain'.
|
|
* @returns An instance of MultiPromptChain.
|
|
*/
|
|
static fromLLMAndPrompts(llm: BaseLanguageModelInterface, { promptNames, promptDescriptions, promptTemplates, defaultChain, llmChainOpts, conversationChainOpts, multiRouteChainOpts, }: {
|
|
promptNames: string[];
|
|
promptDescriptions: string[];
|
|
promptTemplates: string[] | PromptTemplate[];
|
|
defaultChain?: BaseChain;
|
|
llmChainOpts?: Omit<LLMChainInput, "llm" | "prompt">;
|
|
conversationChainOpts?: Omit<LLMChainInput, "llm" | "outputKey">;
|
|
multiRouteChainOpts?: Omit<MultiRouteChainInput, "defaultChain">;
|
|
}): MultiPromptChain;
|
|
_chainType(): string;
|
|
}
|