export declare const RETIRED_MODEL_KEYS: readonly ["google-antigravity/gemini-3.1-pro-high", "google-antigravity/gemini-3.7-flash-high", "google-antigravity/gemini-3.7-flash-low", "google-antigravity/gemini-3.7-flash-medium"];
export declare function isRetiredModelKey(provider: string, modelId: string): boolean;
export declare function isRetiredModel(model: {
    provider: string;
    id: string;
}): boolean;