import { z } from "zod";
import { JsonSchema7Type } from "zod-to-json-schema/src/parseDef.js";
import { Validator } from "../../util/@cfworker/json-schema/index.js";
import { LLMChain, LLMChainInput } from "../llm_chain.js";
import { ChatOpenAI } from "../../chat_models/openai.js";
import { BasePromptTemplate } from "../../prompts/index.js";
import { BaseLLMOutputParser } from "../../schema/output_parser.js";
import { OutputFunctionsParser } from "../../output_parsers/openai_functions.js";
import { ChatGeneration } from "../../schema/index.js";
export type StructuredOutputChainInput = Omit<LLMChainInput, "outputParser" | "llm"> & {
    outputSchema: JsonSchema7Type;
    prompt: BasePromptTemplate;
    llm?: ChatOpenAI;
};
export declare class FunctionCallStructuredOutputParser<T extends z.AnyZodObject> extends BaseLLMOutputParser<z.infer<T>> {
    schema: JsonSchema7Type;
    lc_namespace: string[];
    protected functionOutputParser: OutputFunctionsParser;
    protected jsonSchemaValidator: Validator;
    constructor(schema: JsonSchema7Type);
    parseResult(generations: ChatGeneration[]): Promise<any>;
}
/**
 * Create a chain that returns output matching a JSON Schema.
 * @param input Object that includes all LLMChainInput fields except "outputParser"
 * as well as an additional required "outputSchema" JSON Schema object.
 * @returns OpenAPIChain
 */
export declare function createStructuredOutputChain<T extends z.AnyZodObject = z.AnyZodObject>(input: StructuredOutputChainInput): LLMChain<any, ChatOpenAI>;
export declare function createStructuredOutputChainFromZod<T extends z.AnyZodObject>(zodSchema: T, input: Omit<StructuredOutputChainInput, "outputSchema">): LLMChain<any, ChatOpenAI>;