import { ReactiveController, ReactiveControllerHost } from 'lit';
import { AgentAdapter } from '../ai-chatbot/agent-adapter.js';
import { ChatMessage, FileAttachment, FileUploadCallbacks, MessageItem, ThreadState, ToolCall, ToolDefinition } from '../ai-chatbot/types.js';
export interface ChatbotCoreCallbacks {
    onRequestUpdate: () => void;
    onScrollToBottom: () => void;
    onDispatchEvent: (type: string, detail?: unknown, cancelable?: boolean) => CustomEvent;
}
export interface ChatbotCoreControllerConfig {
    callbacks: ChatbotCoreCallbacks;
}
export declare class ChatbotCoreController implements ReactiveController {
    #private;
    constructor(host: ReactiveControllerHost, config: ChatbotCoreControllerConfig);
    hostConnected(): void;
    hostDisconnected(): void;
    get adapter(): AgentAdapter | undefined;
    set adapter(value: AgentAdapter | undefined);
    get messageItems(): MessageItem[];
    get isStreaming(): boolean;
    get isUploading(): boolean;
    get hasMessages(): boolean;
    get tools(): Map<string, ToolDefinition>;
    get pendingAttachments(): FileAttachment[];
    get completedAttachments(): FileAttachment[];
    sendMessage(config: {
        content: string;
        timestamp?: number;
        attachments?: FileAttachment[];
    }): Promise<void>;
    processFileUpload(file: File, timestamp: number): string;
    createFileUploadCallbacks(fileId: string): FileUploadCallbacks;
    abortFileUpload(fileId: string): void;
    removeCompletedAttachment(attachmentId: string): void;
    getMessage(id: string): ChatMessage | undefined;
    getToolCall(id: string): ToolCall | undefined;
    clearMessages(): void;
    getMessages(): ChatMessage[];
    setMessages(messages: ChatMessage[]): void;
    updateMessageContent(id: string, content: string): void;
    removeMessageItemsFrom(index: number): void;
    setResponseFeedback(responseId: string, feedback: {
        type: 'positive' | 'negative';
        reason?: string;
    }): void;
    addMessage(message: ChatMessage): void;
    getThreadState(): ThreadState;
    setThreadState(state: ThreadState): void;
    abort(): void;
    canSendMessage(): boolean;
}