/**
 * Model selector component for switching between available models.
 * Uses pi-tui overlay pattern with search and fuzzy filtering.
 */
import { Box, Input } from '@mariozechner/pi-tui';
import type { Focusable, TUI } from '@mariozechner/pi-tui';
export interface ModelItem {
    /** Full model ID (e.g., "anthropic/claude-sonnet-4") */
    id: string;
    /** Provider name (e.g., "anthropic") */
    provider: string;
    /** Model name without provider (e.g., "claude-sonnet-4") */
    modelName: string;
    /** Whether the API key for this provider is available */
    hasApiKey: boolean;
    /** Environment variable name for the API key (e.g., "ANTHROPIC_API_KEY") */
    apiKeyEnvVar?: string;
    /** Number of times this model has been selected (for ranking) */
    useCount?: number;
}
export interface ModelSelectorOptions {
    /** TUI instance for rendering */
    tui: TUI;
    /** List of available models */
    models: ModelItem[];
    /** Currently selected model ID */
    currentModelId?: string;
    /** Optional title for the selector */
    title?: string;
    /** Optional hex color for the title background (e.g. mode color) */
    titleColor?: string;
    /** Callback when a model is selected */
    onSelect: (model: ModelItem) => void;
    /** Callback when selection is cancelled */
    onCancel: () => void;
}
/**
 * Build a synthetic "Use: <id>" ModelItem for an arbitrary model id typed by
 * the user. The provider prefix is parsed from the id; key metadata is
 * derived from any sibling model that already lives under the same provider
 * so the API-key prompt still fires for known providers without a key.
 *
 * If no sibling is found (truly novel provider), we default `hasApiKey: false`
 * so the user is still prompted for a key by provider name.
 */
export declare function makeCustomModelItem(id: string, models: ModelItem[]): ModelItem;
export declare class ModelSelectorComponent extends Box implements Focusable {
    private searchInput;
    private listContainer;
    private allModels;
    private filteredModels;
    private selectedIndex;
    private currentModelId?;
    private onSelectCallback;
    private onCancelCallback;
    private tui;
    private title;
    private titleColor?;
    private _focused;
    get focused(): boolean;
    set focused(value: boolean);
    constructor(options: ModelSelectorOptions);
    private buildUI;
    private sortModels;
    /** Whether the custom "Use: ..." item is showing at the top */
    private hasCustomItem;
    private filterModels;
    private makeCustomModelItem;
    private updateList;
    handleInput(keyData: string): void;
    private handleSelect;
    getSearchInput(): Input;
}
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