export type SubscriptionPlan = "free" | "pro" | "team" | "enterprise"; export type FeatureKey = "githubScan" | "ciDelta"; export type PlanPolicy = { monthlyScanLimit: number | null; features: Record; }; export declare const VALID_PLANS: SubscriptionPlan[]; export declare const PLAN_POLICIES: Record; export declare function isSubscriptionPlan(value: string): value is SubscriptionPlan;