import { LitElement, TemplateResult, CSSResult } from 'lit';
declare global {
    interface HTMLElementTagNameMap {
        'forge-ai-reasoning-header': AiReasoningHeaderComponent;
    }
}
export declare const AiReasoningHeaderComponentTagName: keyof HTMLElementTagNameMap;
/**
 * @tag forge-ai-reasoning-header
 *
 * @slot title - Content for the header when in regular (non-reasoning) state
 * @slot reasoning-title - Content for the header when in reasoning state
 *
 * @event {CustomEvent<{ expanded: boolean }>} toggle - Fired when the header is clicked and the expanded state changes
 */
export declare class AiReasoningHeaderComponent extends LitElement {
    static styles: CSSResult;
    /** Whether the header is expanded */
    expanded: boolean;
    /** Whether this is a reasoning header */
    reasoning: boolean;
    private _handleClick;
    render(): TemplateResult;
}