/**
 * Profile-Scoped Storage — Zustand persist adapter + helpers
 *
 * Dynamically prefixes localStorage keys with the active profile ID
 * so that persisted UI state (tabs, filters, selections, etc.) is
 * isolated per user account.
 *
 * Key format: bf-p-{profileId}-{baseName}
 *
 * Includes one-time migration: on first read, if the scoped key is
 * missing but the legacy (un-prefixed) key exists, the value is
 * copied to the scoped key and the legacy key is removed.
 */
/**
 * Returns the profile-scoped localStorage key for the given base key.
 * Falls back to the bare key if no profile is active.
 *
 * Use this for raw `localStorage.getItem` / `localStorage.setItem` calls
 * outside of zustand stores.
 */
export declare function getProfileScopedKey(key: string): string;
/**
 * Creates a zustand persist-compatible storage that scopes localStorage
 * keys by the active user profile.
 *
 * Usage:
 * ```ts
 * import { createProfileScopedStorage } from '@burdenoff/fe-libs/shared/utils';
 *
 * const useMyStore = create(
 *   persist(
 *     (set) => ({ ... }),
 *     {
 *       name: 'my-store-key',
 *       storage: createProfileScopedStorage(),
 *     }
 *   )
 * );
 * ```
 */
export declare function createProfileScopedStorage(): import('zustand/middleware').PersistStorage<unknown, unknown> | undefined;
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