import { LitElement, type PropertyValues } from 'lit';
import type { ModeOption, ModeSelectorVariant } from '../../types/index.js';
/**
 * @tag loquix-mode-selector
 * @summary Switches between AI operating modes with four rendering variants.
 *
 * @csspart tabs - The tabs container (tabs/pills variant)
 * @csspart tab - A tab/pill button
 * @csspart toggle - The toggle container
 * @csspart toggle-option - A toggle option button
 * @csspart trigger - The dropdown trigger button
 * @csspart panel - The dropdown panel
 * @csspart option - A dropdown option
 *
 * @fires loquix-mode-change - Fired when the selected mode changes. Detail: { from, to }
 */
export declare class LoquixModeSelector extends LitElement {
    static styles: import("lit").CSSResult[];
    private _localize;
    /** Array of mode options. */
    modes: ModeOption[];
    /** Currently selected mode value. */
    value: string;
    /** Rendering variant. */
    variant: ModeSelectorVariant;
    /** Show mode descriptions (tabs/pills variants and dropdown options). */
    showDescription: boolean;
    /** Stack description below label instead of inline (tabs/pills variants). */
    stacked: boolean;
    /** Whether the selector is disabled. */
    disabled: boolean;
    /** Whether the dropdown panel is open (dropdown variant only). */
    open: boolean;
    private _focusedIndex;
    private _outsideClickHandler;
    private _listenersAttached;
    protected updated(changed: PropertyValues): void;
    private _addDocumentListeners;
    private _removeDocumentListeners;
    private _chevronSvg;
    private _checkSvg;
    toggle(): void;
    show(): void;
    hide(): void;
    private _handleSelect;
    private get _selectedMode();
    private _positionPanel;
    private _handleOutsideClick;
    private _handleTabsKeydown;
    private _handleDropdownKeydown;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private _renderTabs;
    private _renderToggle;
    private _renderDropdown;
    protected render(): import("lit").TemplateResult<1>;
}
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