export type StorageKind = "visibilityCache" | "usageStats" | "railState" | "activeTab" | "lastPosition";
export declare const getStorageKey: (kind: StorageKind, storageNamespace?: string) => string;
export declare const __resetNamespaceRegistryForTests: () => void;
export declare const registerNamespaceUsage: (resolvedNamespaceKey: string, items: unknown[]) => (() => void);