import { ChatCompletionRole } from 'openai/resources/index.js';
import { Tokenizer, ChatLogs, ChatMessage, ChatLogType } from './index.js';
import { FunctionDefinition } from '../index.js';
export type ChatRole = ChatCompletionRole;
export declare class Chat {
    protected _tokenizer: Tokenizer;
    protected options?: {
        onMessagesAdded?: (type: ChatLogType, msgs: ChatMessage[]) => Promise<void>;
    } | undefined;
    protected _chatLogs: ChatLogs;
    constructor(_tokenizer: Tokenizer, options?: {
        onMessagesAdded?: (type: ChatLogType, msgs: ChatMessage[]) => Promise<void>;
    } | undefined);
    get chatLogs(): ChatLogs;
    get tokens(): number;
    get tokenizer(): Tokenizer;
    get messages(): ChatMessage[];
    add(type: ChatLogType, msg: ChatMessage | ChatMessage[]): Promise<void>;
    addWithoutEvents(type: ChatLogType, msg: ChatMessage | ChatMessage[]): void;
    persistent(role: ChatRole, content: string): Promise<void>;
    persistent(msg: ChatMessage): Promise<void>;
    persistent(msgs: ChatMessage[]): Promise<void>;
    temporary(role: ChatRole, content?: string): Promise<void>;
    temporary(msg: ChatMessage): Promise<void>;
    temporary(msgs: ChatMessage[]): Promise<void>;
    addFunction(fn: FunctionDefinition): void;
    getLastMessage(type: ChatLogType): ChatMessage | undefined;
    cloneChatLogs(): ChatLogs;
    cloneEmpty(): Chat;
    toString(): string;
    toJSON(): ChatLogs;
}