export interface CatalogModel {
    id: string;
    name: string;
    availability: 'available' | 'unavailable';
    kind: 'language' | 'image' | 'stt' | 'tts';
    input: Array<'text' | 'image' | 'audio'>;
    output: Array<'text' | 'image' | 'audio'>;
    operations: Array<'chat.completions' | 'responses' | 'images.generate' | 'images.edit' | 'audio.transcription' | 'audio.speech'>;
    reasoning: boolean;
    contextWindow: number;
    maxOutputTokens: number | null;
    imageGeneration?: {
        maxCount: number;
        sizes: string[];
        aspectRatios?: string[];
        qualities: Array<'low' | 'medium' | 'high' | 'auto'>;
        formats: Array<'png' | 'jpeg' | 'webp'>;
        backgrounds: Array<'transparent' | 'opaque' | 'auto'>;
        maxInputImages: number;
    };
    stt?: {
        inputFormats: string[];
        maxBytes: number;
        maxDurationSeconds: number;
        languages: string[];
        languageHint: boolean;
        prompt: boolean;
        timestamps: Array<'segment' | 'word'>;
        diarization: boolean;
    };
    tts?: {
        maxCharacters: number;
        languages: string[];
        outputFormats: Array<'mp3' | 'opus' | 'aac' | 'flac' | 'wav' | 'pcm'>;
        streaming: boolean;
        speed: boolean;
        pitch: boolean;
        instructions: boolean;
        defaultVoice?: string;
    };
}
export interface CatalogSource {
    providerId: string;
    baseUrl: string;
    api: 'openai-completions' | 'openai-responses';
    etag: string | null;
    recommendedModel: string | null;
    lastSuccessAt: number;
    models: CatalogModel[];
}
export interface ModelCatalogSnapshot {
    sources: Record<string, CatalogSource>;
}
export type AvailableCatalogModel = Omit<CatalogModel, 'availability'>;
export declare class ModelCatalogStore {
    private sources;
    load(): ModelCatalogSnapshot;
    getSource(sourceId: string): CatalogSource | undefined;
    saveSource(sourceId: string, source: CatalogSource): void;
    removeSource(sourceId: string): boolean;
    replaceSourceModels(sourceId: string, source: Omit<CatalogSource, 'models'>, models: AvailableCatalogModel[]): {
        addedCount: number;
        unavailableCount: number;
    };
    private cloneSource;
}
export declare function getModelCatalogStore(): ModelCatalogStore;
export declare function resetModelCatalogStore(): void;