import { CustomElement } from '../../Abstracts/CustomElement';
import type { IChatHeaderElementProps } from './IChatHeaderElementProps';
declare const ChatHeaderElement_base: (abstract new (...args: Array<any>) => import("../../../Behaviors/Themeable").IThemeableProps) & (abstract new (...args: Array<any>) => import("../../../Behaviors/TextFormattable").ITextFormattableProps) & typeof CustomElement & import("../../../Behaviors/Themeable").IThemeableCtor;
/**
 * Chat Header - The Chat Header is used to display the title and subtitle of a chat. Typically, it can also include additional actions or buttons.
 *
 * @slot after - The content placed at the end of the chat header.
 * @slot before - The content placed at the beginning of the chat header.
 *
 * @csspart root - The root part.
 * @csspart toolbar - The toolbar part.
 *
 * @cssprop {String} --chat-header-font-family - The header font family CSS custom property.
 * @cssprop {String} --chat-header-font-letter-spacing - The header font letter spacing CSS custom property.
 * @cssprop {String} --chat-header-font-line-height - The header font line height CSS custom property.
 * @cssprop {String} --chat-header-font-size - The header font size CSS custom property.
 * @cssprop {String} --chat-header-font-text-decoration - The header font text decoration CSS custom property.
 * @cssprop {String} --chat-header-font-text-transform - The header font text transform CSS custom property.
 * @cssprop {String} --chat-header-font-weight - The header font weight CSS custom property.
 * @cssprop {String} --chat-header-gap - The header gap CSS custom property.
 * @cssprop {String} --chat-header-height - The header height CSS custom property.
 * @cssprop {String} --chat-header-padding-bottom - The header padding bottom CSS custom property.
 * @cssprop {String} --chat-header-padding-left - The header padding left CSS custom property.
 * @cssprop {String} --chat-header-padding-right - The header padding right CSS custom property.
 * @cssprop {String} --chat-header-padding-top - The header padding top CSS custom property.
 * @cssprop {String} --chat-header-shadow - The header shadow CSS custom property.
 * @cssprop {String} --chat-header-shadow-blur - The header shadow blur CSS custom property.
 * @cssprop {String} --chat-header-shadow-color - The header shadow color CSS custom property.
 * @cssprop {String} --chat-header-shadow-offset-x - The header shadow offset x CSS custom property.
 * @cssprop {String} --chat-header-shadow-offset-y - The header shadow offset y CSS custom property.
 * @cssprop {String} --chat-header-shadow-spread - The header shadow spread CSS custom property.
 * @cssprop {String} --chat-header-transition-duration - The header transition duration CSS custom property.
 * @cssprop {String} --chat-header-transition-mode - The header transition mode CSS custom property.
 * @cssprop {String} --chat-header-transition-property - The header transition property CSS custom property.
 * @cssprop {String} --chat-header-translate - The header translate CSS custom property.
 *
 * @dependency mosaik-title-layout - The Title Layout element.
 * @dependency mosaik-toolbar - The Toolbar element.
 *
 * @example
 * Basic chat header:
 * ```html
 * <mosaik-chat-header></mosaik-chat-header>
 * ```
 *
 * @public
 */
export declare class ChatHeaderElement extends ChatHeaderElement_base implements IChatHeaderElementProps {
    private _title;
    private _subTitle;
    /**
     * @public
     */
    constructor();
    /**
     * Returns the `is` property.
     * The `is` property represents natural name of this element.
     *
     * @public
     * @static
     * @readonly
     */
    static get is(): string;
    /**
     * Gets or sets the `title` property.
     *
     * @public
     * @override
     */
    get title(): string;
    set title(value: string);
    /**
     * Gets or sets the `subTitle` property.
     *
     * @public
     */
    get subTitle(): string;
    set subTitle(value: string);
}
/**
 * @public
 */
export declare namespace ChatHeaderElement {
    type Props = IChatHeaderElementProps;
}
/**
 * @public
 */
declare global {
    interface HTMLElementTagNameMap {
        'mosaik-chat-header': ChatHeaderElement;
    }
}
export {};
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