export interface StorageAdapter {
    /** Retrieve a value by key. */
    get<T = unknown>(key: string): Promise<T | undefined>;
    /** Store a value by key. */
    put<T = unknown>(key: string, value: T): Promise<void>;
    /** Delete a stored value by key. */
    del(key: string): Promise<void>;
    /** List all keys that start with the given prefix. */
    list(prefix?: string): Promise<string[]>;
}
export declare class InMemoryStorageAdapter implements StorageAdapter {
    private store;
    get<T = unknown>(key: string): Promise<T | undefined>;
    put<T = unknown>(key: string, value: T): Promise<void>;
    del(key: string): Promise<void>;
    list(prefix?: string): Promise<string[]>;
}
export declare class LocalStorageAdapter implements StorageAdapter {
    private keyPrefix;
    constructor(keyPrefix?: string);
    private getFullKey;
    get<T = unknown>(key: string): Promise<T | undefined>;
    put<T = unknown>(key: string, value: T): Promise<void>;
    del(key: string): Promise<void>;
    list(prefix?: string): Promise<string[]>;
}
//# sourceMappingURL=StorageAdapter.d.ts.map