import { CSSResultArray, TemplateResult } from 'lit';
import { LuzmoElement } from '../../utils/base';
export type ChatMessagePosition = 'left' | 'right' | 'middle';
export type ChatMessageVariant = 'default' | 'primary' | 'secondary';
export type ChatMessageTreatment = 'fill' | 'outline';
export type ChatMessageMeta = 'inside' | 'outside';
export type ChatMessageActions = 'inside' | 'outside';
export type ChatMessageAvatarPlacement = 'top' | 'middle' | 'bottom';
declare const LuzmoChatMessage_base: typeof LuzmoElement & {
    new (...args: any[]): import("../..").SizedElementInterface;
    prototype: import("../..").SizedElementInterface;
};
/**
 * A chat message component for displaying conversation messages.
 *
 * @element luzmo-chat-message
 *
 * @slot - Default slot for message content
 * @slot message - Alternative slot for message content (may include custom elements)
 * @slot avatar - Slot for avatar element (use luzmo-avatar)
 * @slot actions - Slot for message actions
 * @slot extra-actions - Slot for extra actions that appear on hover/click/longclick (absolute positioned)
 */
export declare class LuzmoChatMessage extends LuzmoChatMessage_base {
    private defaultSlotObserver;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    static get styles(): CSSResultArray;
    /**
     * The horizontal position of the message.
     * @attr position
     */
    position: ChatMessagePosition;
    /**
     * The semantic variant of the message.
     * - `default`: Standard neutral message
     * - `primary`: Primary color theme
     * - `secondary`: Secondary color theme
     * @attr variant
     */
    variant: ChatMessageVariant;
    /**
     * The visual treatment of the message.
     * - `fill`: Full background color (default)
     * - `outline`: Border only with transparent background
     * @attr treatment
     */
    treatment: ChatMessageTreatment;
    /**
     * Whether the message should have reduced visual emphasis.
     * When quiet is true, removes border, background, and uses normal font color.
     * @attr quiet
     */
    quiet: boolean;
    /**
     * The name of the user who sent the message.
     * @attr name
     */
    name?: string;
    /**
     * The datetime when the message was sent (ISO 8601 string).
     * @attr datetime
     */
    datetime?: string;
    /**
     * Intl.DateTimeFormatOptions object for formatting the datetime.
     * @attr datetime-format-options
     */
    datetimeFormatOptions?: Intl.DateTimeFormatOptions;
    /**
     * The language to use for formatting the datetime.
     * @attr datetime-language
     */
    datetimeLanguage?: string;
    /**
     * Controls whether name and datetime render inside the message header or outside.
     * @attr meta
     */
    meta: ChatMessageMeta;
    /**
     * Controls whether the actions slot renders inside or outside the message.
     * @attr actions
     */
    actionsPosition: ChatMessageActions;
    /**
     * The vertical placement of the avatar relative to the message.
     * @attr avatar-placement
     */
    avatarPlacement: ChatMessageAvatarPlacement;
    /**
     * Whether the component has an avatar slot.
     * @private
     */
    private _hasAvatar;
    /**
     * Whether the component has an actions slot.
     * @private
     */
    private _hasActions;
    /**
     * Whether the component has an extra-actions slot.
     * @private
     */
    private _hasExtraActions;
    /**
     * Language resolution controller for internationalization.
     * @private
     */
    private languageResolver;
    private _handleAvatarSlotChange;
    private _handleActionsSlotChange;
    private _handleExtraActionsSlotChange;
    private shouldUpdateForDefaultSlotMutation;
    private get defaultSlotMarkdown();
    private renderDefaultSlotFallback;
    /**
     * Formats the message datetime using Intl.DateTimeFormat.
     * @private
     */
    private get formattedDatetime();
    /**
     * Determines which corners should be squared based on position and avatar placement.
     * @private
     */
    private get squaredCorners();
    /**
     * Renders the meta information (user name and datetime) inside the message header.
     * @private
     */
    private renderMeta;
    /**
     * Renders the actions slot inside or outside the message.
     * @private
     */
    private renderActions;
    protected render(): TemplateResult;
}
export {};