import { EventEmitter } from '../../stencil-public-runtime';
import type { MessageScrollerPosition } from '../conversation-types';
export declare class MessageScroller {
    el: HTMLElement;
    busy: boolean;
    autoFollow: boolean;
    defaultPosition: MessageScrollerPosition;
    messagesLabel: string;
    dsReachStart: EventEmitter<void>;
    private showScrollToLatest;
    private viewport?;
    private content?;
    private overlay?;
    private transcriptSlot?;
    private scrollOverlayController?;
    private mutationObserver?;
    private following;
    private followReleased;
    private releasePendingAtLiveEdge;
    private atStart;
    private programmatic;
    private programmaticTimer?;
    private transcriptChildren;
    private knownTranscriptElements;
    private knownTurnAnchors;
    private firstChildViewportTop?;
    private activeTurnAnchor?;
    private activeTurnAnchorViewportTop?;
    private turnClearance;
    private prependReconciliation;
    componentDidLoad(): void;
    disconnectedCallback(): void;
    scrollToMessage(id: string): Promise<boolean>;
    scrollToStart(): Promise<void>;
    scrollToEnd(): Promise<void>;
    private motionBehavior;
    private scrollTo;
    private connectObservers;
    private handleContentGrowth;
    private rememberFirstChildTop;
    private getTranscriptChildren;
    private handleTranscriptChange;
    private reconcilePrependPosition;
    private schedulePrependReconciliation;
    private handleTranscriptSlotChange;
    private positionNewTurn;
    private finishPositionNewTurn;
    private rememberActiveTurnAnchorTop;
    private syncTurnClearance;
    private applyDefaultPosition;
    private isAtLiveEdge;
    private handleScroll;
    private releaseFollow;
    private handleSelectionChange;
    render(): any;
}
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