import { LitElement } from "lit";
import type { PropertyValues, TemplateResult } from "lit";
import "../primitives/index.js";
import "../brand-mark/index.js";
import "../button/index.js";
import "../sidebar-item/index.js";
import "../bubble/index.js";
import "../composer/index.js";
import "../artifact/index.js";
import type { BubbleArtifact, BubbleAttachment } from "../bubble/index.js";
export interface ConversationItem {
    id: string;
    title: string;
    active?: boolean;
}
export interface ConversationGroup {
    group: string;
    items: ConversationItem[];
}
export interface ThreadMessage {
    from: "user" | "bot";
    text?: string;
    html?: string;
    ts?: string;
    atts?: BubbleAttachment[];
    artifact?: BubbleArtifact | null;
}
/**
 * @fires artifact-close - Fired when the artifact panel is closed.
 * @fires artifact-open - Fired when an artifact is opened.
 * @fires cancel - Fired when the action is cancelled.
 * @fires send - Fired when the user sends the composed content.
 */
export declare class XmChatShell extends LitElement {
    conversations: ConversationGroup[];
    thread: ThreadMessage[];
    processing: boolean;
    thinkingLabel: string;
    topTitle: string;
    /** Pin the shell to the viewport (height: 100vh). Default is height: 100%
        so the shell sizes to its container — embedded hosts get correct
        sizing for free. Full-bleed previews opt in via the `full-viewport`
        attribute. */
    fullViewport: boolean;
    private _collapsed;
    private _activeId;
    private _openArtifact;
    private _hasEmpty;
    private _searchValue;
    private _copiedIdx;
    private _copiedTimer;
    private _artifactBodyNodes;
    private _artifactCodeNodes;
    private _emptyNodes;
    createRenderRoot(): HTMLElement | DocumentFragment;
    connectedCallback(): void;
    willUpdate(changed: PropertyValues): void;
    updated(): void;
    private _toggleCollapsed;
    private _selectConv;
    private _onSearchInput;
    private _onSearchClear;
    private _onArtifactOpen;
    private _onArtifactClose;
    private _onComposerSend;
    private _onComposerCancel;
    private _onCopyMessage;
    private _renderSidebar;
    private _renderCollapsedList;
    private _renderExpandedList;
    private _renderTopBar;
    private _renderBubbleRow;
    render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        "xm-chat-shell": XmChatShell;
    }
}