import { LitElement, TemplateResult, PropertyValues, CSSResult } from 'lit';
import { Agent, HeadingLevel } from '../ai-chatbot/types';
declare global {
    interface HTMLElementTagNameMap {
        'forge-ai-chat-header': AiChatHeaderComponent;
    }
}
export declare const AiChatHeaderComponentTagName: keyof HTMLElementTagNameMap;
declare global {
    interface HTMLElementEventMap {
        'forge-ai-chat-header-expand': CustomEvent<void>;
        'forge-ai-chat-header-minimize': CustomEvent<void>;
        'forge-ai-chat-header-clear': CustomEvent<void>;
        'forge-ai-chat-header-export': CustomEvent<void>;
        'forge-ai-chat-header-agent-change': CustomEvent<ForgeAiChatHeaderAgentChangeEventData>;
        'forge-ai-chat-header-conversations-toggle': CustomEvent<void>;
    }
}
export interface ForgeAiChatHeaderAgentChangeEventData {
    agent: Agent | undefined;
    previousAgentId: string | undefined;
}
export type MinimizeIconType = 'default' | 'panel';
export type OptionState = 'enabled' | 'off';
export interface AgentInfo {
    name?: string;
    description?: string;
    identifier?: string;
    version?: string;
    model?: string;
    lastUpdated?: string;
}
/**
 * @summary AI chat header component with accessible tooltips
 *
 * @description
 * A header component for AI chat interfaces that includes an AI icon, title,
 * and action buttons (info, expand/collapse, minimize) with integrated tooltips
 * for improved accessibility and user experience.
 *
 * @tag forge-ai-chat-header
 *
 * @slot icon - Slot for custom icon (default: forge-ai-icon)
 * @slot header-actions - Slot for custom header action buttons (rendered before built-in header actions)
 * @slot thread-name - Slot for content to be rendered after the title
 *
 * @property {HeadingLevel} headingLevel - Controls the heading level for the title content (default: 2)
 * @property {string} titleText - The title text to display in the header (default: 'AI Assistant')
 *
 * @event forge-ai-chat-header-expand - Fired when the expand button is clicked
 * @event forge-ai-chat-header-minimize - Fired when the minimize button is clicked
 * @event forge-ai-chat-header-clear - Fired when the clear chat option is selected
 * @event forge-ai-chat-header-export - Fired when the export option is selected
 */
export declare class AiChatHeaderComponent extends LitElement {
    #private;
    static styles: CSSResult;
    /**
     * Controls whether the expand button is visible
     */
    showExpandButton: boolean;
    /**
     * Controls whether the minimize button is visible
     */
    showMinimizeButton: boolean;
    /**
     * Indicates the current expanded state for displaying the appropriate expand/collapse icon
     */
    expanded: boolean;
    /**
     * Controls which minimize icon to display
     */
    minimizeIcon: MinimizeIconType;
    /**
     * Agent information to display in the info dialog
     */
    agentInfo?: AgentInfo;
    /**
     * Controls state of the options dropdown menu
     */
    options: OptionState;
    /**
     * Controls state of the export option
     */
    exportOption: OptionState;
    /**
     * Controls state of the clear chat option
     */
    clearOption: OptionState;
    /**
     * Controls the heading level for the title content
     */
    headingLevel: HeadingLevel;
    /**
     * The title text to display in the header
     */
    titleText: string;
    /**
     * Array of available agents for the agent selector
     */
    agents: Agent[];
    /**
     * ID of the currently selected agent
     */
    selectedAgentId?: string;
    /**
     * Disables the agent selector (e.g., during streaming)
     */
    disableAgentSelector: boolean;
    /**
     * Shows the conversations button (hamburger menu) for accessing conversation history
     */
    showConversationsButton: boolean;
    private _isTitleOverflowing;
    updated(changedProperties: PropertyValues<this>): void;
    render(): TemplateResult;
    /**
     * Shows the agent info modal
     */
    showAgentInfo(): void;
}