interface CacheOptions {
    maxEntries?: number;
    defaultTtlMs?: number;
}
export declare class ApiCache {
    private cache;
    private defaultTtlMs;
    constructor(options?: CacheOptions);
    get<T>(key: string): T | undefined;
    set(key: string, value: NonNullable<unknown>, ttlMs?: number): void;
    invalidate(key: string): void;
    invalidateByPrefix(prefix: string): void;
    clear(): void;
}
export {};