import { TokenCounter } from '../../services/token-counter.service';
import { ToolStore } from '../../types';
import { BaseGraph } from '../base.graph';
import { ChatState } from '../state';
import { AnyObject } from '@loopback/repository';
export declare class ChatGraph extends BaseGraph<ChatState> {
    private readonly tools;
    private readonly tokenCounter;
    protected readonly obfHandler?: AnyObject[string] | undefined;
    constructor(tools: ToolStore, tokenCounter: TokenCounter, obfHandler?: AnyObject[string] | undefined);
    execute(query: string, files: Express.Multer.File[] | Express.Multer.File, abort: AbortSignal, id?: string): Promise<import("@langchain/core/utils/stream").IterableReadableStream<any>>;
    build(): Promise<import("@langchain/langgraph").CompiledStateGraph<{
        id: string | undefined;
        files: Express.Multer.File[] | undefined;
        prompt: string;
        userMessage: import("../../models").Message | undefined;
        aiMessage: import("../../models").Message | undefined;
        messages: import("@langchain/core/messages").BaseMessage<import("@langchain/core/messages").MessageStructure<import("@langchain/core/messages").MessageToolSet>, import("@langchain/core/messages").MessageType>[];
    }, {
        id?: string | undefined;
        files?: Express.Multer.File[] | undefined;
        prompt?: string | undefined;
        userMessage?: import("../../models").Message | undefined;
        aiMessage?: import("../../models").Message | undefined;
        messages?: import("@langchain/langgraph").OverwriteValue<import("@langchain/core/messages").BaseMessage<import("@langchain/core/messages").MessageStructure<import("@langchain/core/messages").MessageToolSet>, import("@langchain/core/messages").MessageType>[]> | import("@langchain/langgraph").Messages | undefined;
    }, "__start__", {
        id: {
            (annotation: import("@langchain/langgraph").SingleReducer<string | undefined, string | undefined>): import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<string | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        files: {
            (annotation: import("@langchain/langgraph").SingleReducer<Express.Multer.File[] | undefined, Express.Multer.File[] | undefined>): import("@langchain/langgraph").BaseChannel<Express.Multer.File[] | undefined, Express.Multer.File[] | import("@langchain/langgraph").OverwriteValue<Express.Multer.File[] | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<Express.Multer.File[] | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        prompt: {
            (annotation: import("@langchain/langgraph").SingleReducer<string, string>): import("@langchain/langgraph").BaseChannel<string, string | import("@langchain/langgraph").OverwriteValue<string>, unknown>;
            (): import("@langchain/langgraph").LastValue<string>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        userMessage: {
            (annotation: import("@langchain/langgraph").SingleReducer<import("../../models").Message | undefined, import("../../models").Message | undefined>): import("@langchain/langgraph").BaseChannel<import("../../models").Message | undefined, import("../../models").Message | import("@langchain/langgraph").OverwriteValue<import("../../models").Message | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<import("../../models").Message | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        aiMessage: {
            (annotation: import("@langchain/langgraph").SingleReducer<import("../../models").Message | undefined, import("../../models").Message | undefined>): import("@langchain/langgraph").BaseChannel<import("../../models").Message | undefined, import("../../models").Message | import("@langchain/langgraph").OverwriteValue<import("../../models").Message | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<import("../../models").Message | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        messages: import("@langchain/langgraph").BaseChannel<import("@langchain/core/messages").BaseMessage<import("@langchain/core/messages").MessageStructure<import("@langchain/core/messages").MessageToolSet>, import("@langchain/core/messages").MessageType>[], import("@langchain/langgraph").OverwriteValue<import("@langchain/core/messages").BaseMessage<import("@langchain/core/messages").MessageStructure<import("@langchain/core/messages").MessageToolSet>, import("@langchain/core/messages").MessageType>[]> | import("@langchain/langgraph").Messages, unknown>;
    }, {
        id: {
            (annotation: import("@langchain/langgraph").SingleReducer<string | undefined, string | undefined>): import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<string | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        files: {
            (annotation: import("@langchain/langgraph").SingleReducer<Express.Multer.File[] | undefined, Express.Multer.File[] | undefined>): import("@langchain/langgraph").BaseChannel<Express.Multer.File[] | undefined, Express.Multer.File[] | import("@langchain/langgraph").OverwriteValue<Express.Multer.File[] | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<Express.Multer.File[] | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        prompt: {
            (annotation: import("@langchain/langgraph").SingleReducer<string, string>): import("@langchain/langgraph").BaseChannel<string, string | import("@langchain/langgraph").OverwriteValue<string>, unknown>;
            (): import("@langchain/langgraph").LastValue<string>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        userMessage: {
            (annotation: import("@langchain/langgraph").SingleReducer<import("../../models").Message | undefined, import("../../models").Message | undefined>): import("@langchain/langgraph").BaseChannel<import("../../models").Message | undefined, import("../../models").Message | import("@langchain/langgraph").OverwriteValue<import("../../models").Message | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<import("../../models").Message | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        aiMessage: {
            (annotation: import("@langchain/langgraph").SingleReducer<import("../../models").Message | undefined, import("../../models").Message | undefined>): import("@langchain/langgraph").BaseChannel<import("../../models").Message | undefined, import("../../models").Message | import("@langchain/langgraph").OverwriteValue<import("../../models").Message | undefined> | undefined, unknown>;
            (): import("@langchain/langgraph").LastValue<import("../../models").Message | undefined>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        messages: import("@langchain/langgraph").BaseChannel<import("@langchain/core/messages").BaseMessage<import("@langchain/core/messages").MessageStructure<import("@langchain/core/messages").MessageToolSet>, import("@langchain/core/messages").MessageType>[], import("@langchain/langgraph").OverwriteValue<import("@langchain/core/messages").BaseMessage<import("@langchain/core/messages").MessageStructure<import("@langchain/core/messages").MessageToolSet>, import("@langchain/core/messages").MessageType>[]> | import("@langchain/langgraph").Messages, unknown>;
    }, import("@langchain/langgraph").StateDefinition, unknown, unknown, unknown>>;
}