import type { ChutesModel } from './types';
export interface CachedModelData {
    models: ChutesModel[];
    fetchedAt: number;
    expiresAt: number;
}
export declare class ModelCache {
    private cache;
    private ttl;
    constructor(ttlSeconds?: number);
    set(models: ChutesModel[]): void;
    get(): CachedModelData | null;
    getModels(): ChutesModel[] | null;
    isValid(): boolean;
    isStale(): boolean;
    clear(): void;
    getAge(): number | null;
    getRemainingTTL(): number | null;
}
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