import { LitElement, type PropertyValues } from 'lit';
import './define-scroll-anchor.js';
/**
 * @tag loquix-message-list
 * @summary Scrollable container for chat messages with auto-scroll support.
 *
 * @csspart list - Outer list wrapper.
 * @csspart scroll-container - The inner scrollable region.
 * @csspart scroll-anchor - The scroll-to-bottom anchor button.
 *
 * @slot - Default slot for loquix-message-item elements.
 * @slot empty-state - Content shown when no messages are present.
 * @slot loading - Loading indicator content.
 *
 * @fires loquix-scroll-bottom - When scroll reaches the bottom.
 * @fires loquix-scroll-away - When scroll moves away from the bottom.
 *
 * @cssprop [--loquix-message-gap] - Gap between messages.
 * @cssprop [--loquix-message-list-bg] - Background of the message list.
 * @cssprop [--loquix-message-list-padding] - Padding inside the scroll container.
 */
export declare class LoquixMessageList extends LitElement {
    static styles: import("lit").CSSResult[];
    /** Whether to auto-scroll to the bottom on new content. */
    autoScroll: boolean;
    /** Enable virtual scrolling (no-op in Phase 1). */
    virtualize: boolean;
    /** Whether to show timestamps on messages. */
    showTimestamps: boolean;
    /** Whether to show the scroll-to-bottom anchor button. */
    showScrollAnchor: boolean;
    /** Whether to auto-scroll to bottom when a loquix-submit event is detected. */
    scrollOnSend: boolean;
    private _scrollContainer;
    private _hasMessages;
    private _showAnchor;
    private _submitRoot;
    private _autoScrollController;
    private _attached;
    protected firstUpdated(): void;
    protected updated(changed: PropertyValues): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private _attachIfNeeded;
    private _detach;
    /** Programmatically scroll to the bottom. */
    scrollToBottom(behavior?: ScrollBehavior): void;
    /**
     * Scroll to a message element by its message-id attribute.
     * @returns true if the message was found and scrolled to.
     */
    scrollToMessage(messageId: string): boolean;
    private _handleSubmitForScroll;
    private _handleAnchorClick;
    private _handleSlotChange;
    private _observeSlottedElements;
    private _checkForMessages;
    protected render(): import("lit").TemplateResult<1>;
}
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