import { NamespaceTierInfo } from "../oauth/types.js"; export declare function getFeaturesForTier(tier: "free" | "premium" | "ultimate"): Record; export declare function clearNamespaceTierCache(sessionId?: string): void; export declare function getNamespaceTier(namespacePath: string): Promise; export declare function isFeatureAvailable(namespacePath: string, feature: string): Promise; export declare function getNamespaceTierCacheMetrics(): { totalEntries: number; entriesBySession: Map; };