import type { ChatMessage, ProjectAction } from '../../types/widget';
import { AiIconType } from '../../utils/icon-types';
import { ActivityEvent } from '../../utils/activity';
export declare class BielChat {
    isUserScrollingUp: boolean;
    isStreaming: boolean;
    private streamingUserMessage?;
    private streamEndTimer;
    private scrollbarHideTimer;
    private scrollRafId;
    private isInitialLoad;
    private lastUserScrollInputAt;
    private contentResizeObserver;
    private shouldShowActivity;
    private static readonly USER_SCROLL_INPUT_WINDOW_MS;
    messages: ChatMessage[];
    isFullscreen: boolean;
    isLoading: boolean;
    isReceivingMessages: boolean;
    /** Animated status text by default, with a spinner for blank labels; dots keeps the legacy indicator. */
    loadingIndicator: 'spinner' | 'dots';
    /** Initial loading label; blank hides the text while retaining an accessible indicator. */
    loadingText: string;
    activityEvents: ActivityEvent[];
    activityThinkMode: boolean;
    activityOutcome?: 'failed' | 'interrupted';
    /** JSON object overriding stage, stage_completed and searching_docs_again labels. */
    activityLabels: string;
    activityDetailsText: string;
    activityDocumentsText: string;
    activityRetryText: string;
    retryAvailable: boolean;
    retryDisabled: boolean;
    suggestedQuestions: string[];
    welcomeMessage: string;
    suggestedQuestionsTitle: string;
    loadedChat: boolean;
    hideFeedback: boolean;
    modalPosition: string;
    embeddedMode: boolean;
    bielId: string;
    sourcesText: string;
    aiIcon: AiIconType;
    hideAvatars: boolean;
    hideSources: boolean;
    hideInlineCitations: boolean;
    incompleteText: string;
    continueText: string;
    assistantLabel: string;
    projectActions: ProjectAction[];
    smoothStreaming: boolean;
    renderMath: boolean;
    mathjaxUrl: string;
    renderDiagrams: boolean;
    mermaidTheme: string;
    el: HTMLElement;
    private chatContainer;
    resetStreamingForNewTurn(messages: ChatMessage[]): void;
    handleTextUpdate(event: CustomEvent<{
        text: string;
        id: number;
        bielId: string;
    }>): void;
    handlePartialMessageComplete(event: CustomEvent<{
        partialId: number;
        bielId: string;
    }>): void;
    handleScrollToBottom(event: CustomEvent<{
        bielId: string;
    }>): void;
    handleMessageSent(event: CustomEvent<{
        bielId: string;
    }>): void;
    handleSuggestedQuestionClick(event: CustomEvent<{
        bielId: string;
    }>): void;
    private resumeAutoScroll;
    scheduleScrollToBottom(): void;
    scrollToBottom(): void;
    private markUserScrollInput;
    private onPointerDown;
    private onScroll;
    componentDidLoad(): void;
    componentDidUpdate(): void;
    private observedChildren;
    private observeContent;
    disconnectedCallback(): void;
    private renderActivityErrorIcon;
    private renderActivity;
    render(): any;
}