import type { ModelsCatalogJson } from "./types.js";
export type OpenRouterApiModel = {
    id: string;
    canonical_slug?: string;
    name?: string;
    created?: number;
    description?: string;
    context_length?: number;
    architecture?: {
        modality?: string;
        input_modalities?: string[];
        output_modalities?: string[];
    };
    pricing?: Record<string, string | null | undefined>;
    top_provider?: {
        max_completion_tokens?: number;
    };
    supported_parameters?: string[];
    knowledge_cutoff?: string | null;
    expiration_date?: string | null;
};
export type OpenRouterApiModelsResponse = {
    data: OpenRouterApiModel[];
};
export type TextOnlyCatalogOptions = {
    /** Include `:free` tier OpenRouter SKUs (default false). */
    includeFree?: boolean;
};
/** True when the model is a text-chat SKU (text output only; not image/audio/video generation).
 * Multimodal *input* (image/audio/video/file) is allowed — required for Gemini and similar.
 */
export declare function isTextOnlyOpenRouterModel(model: OpenRouterApiModel): boolean;
export declare function filterTextOnlyOpenRouterModels(models: OpenRouterApiModel[], options?: TextOnlyCatalogOptions): OpenRouterApiModel[];
/** Build the legacy OpenRouter-only catalog document (fed into {@link normalizeModelsCatalog}). */
export declare function buildLegacyCatalogFromOpenRouterApi(response: OpenRouterApiModelsResponse, options?: TextOnlyCatalogOptions): Record<string, unknown>;
/** Fetch response → unified {@link ModelsCatalogJson} (text-only SKUs). */
export declare function buildTextModelsCatalogFromOpenRouterApi(response: OpenRouterApiModelsResponse, options?: TextOnlyCatalogOptions): ModelsCatalogJson;
/** @deprecated Prefer {@link buildTextModelsCatalogFromOpenRouterApi}. */
export declare function buildModelsCatalogFromOpenRouterApi(response: OpenRouterApiModelsResponse): ModelsCatalogJson;
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