export type StorageAdapter = {
    getItem(key: string): Promise<string | null>;
    setItem(key: string, value: string): Promise<void>;
    removeItem?(key: string): Promise<void>;
};
export declare function createNoopStorageAdapter(): StorageAdapter;
/**
 * Get an item from local storage safely.
 */
export declare function getItem(key: string): string | null;
/**
 * Set an item in local storage safely.
 */
export declare function setItem(key: string, value: string): boolean;
/**
 * Remove an item from local storage safely.
 */
export declare function removeItem(key: string): void;
export declare function getLocalStorageAdapter(): StorageAdapter;
export declare function getDefaultStorageAdapter(): StorageAdapter;
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