import { LitElement, type PropertyValues } from 'lit';
import type { ModelOption } from '../../types/index.js';
/**
 * @tag loquix-model-selector
 * @summary Dropdown selector for LLM models with tier badges, costs, and capability indicators.
 *
 * @csspart trigger - The trigger button
 * @csspart panel - The dropdown panel
 * @csspart search - The search input wrapper
 * @csspart option - An option item
 *
 * @fires loquix-model-change - Fired when a model is selected. Detail: { from, to }
 */
export declare class LoquixModelSelector extends LitElement {
    static styles: import("lit").CSSResult[];
    private _localize;
    /** Array of model options. */
    models: ModelOption[];
    /** Currently selected model value. */
    value: string;
    /** Placeholder text when no model is selected. */
    placeholder?: string;
    /** Show cost indicator for each model. */
    showCost: boolean;
    /** Show capability badges for each model. */
    showCapabilities: boolean;
    /** Group models by their group field. */
    grouped: boolean;
    /** Show search input in dropdown. */
    searchable: boolean;
    /** Whether the selector is disabled. */
    disabled: boolean;
    /** Preferred panel placement. */
    placement: 'top' | 'bottom';
    /** Whether the panel is open. */
    open: boolean;
    private _searchQuery;
    private _focusedIndex;
    private _searchInput?;
    private _chevronSvg;
    private _checkSvg;
    private _searchSvg;
    private _outsideClickHandler;
    private _keydownHandler;
    private _listenersAttached;
    protected updated(changed: PropertyValues): void;
    private _addDocumentListeners;
    private _removeDocumentListeners;
    toggle(): void;
    show(): void;
    hide(): void;
    private get _selectedModel();
    private get _filteredModels();
    private get _selectableModels();
    private _positionPanel;
    private _handleOutsideClick;
    private _handleKeydown;
    private _selectModel;
    private _handleSearchInput;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private _renderTierBadge;
    private _renderOption;
    private _renderGrouped;
    private _renderFlat;
    protected render(): import("lit").TemplateResult<1>;
}
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