declare abstract class StorageAdapter {
    abstract get<T>(key: string): T | undefined;
    abstract set<T>(key: string, value: T): void;
    abstract has(key: string): boolean;
    abstract delete(key: string): boolean;
    abstract clear(): void;
    abstract entries(): IterableIterator<[string, unknown]>;
    abstract keys(): IterableIterator<string>;
    abstract values(): IterableIterator<unknown>;
    abstract get size(): number;
    abstract fromEntries(entries: Iterable<readonly [string, unknown]>): void;
    abstract toString(): string;
    abstract fromString(json: string): boolean;
    constructor(initialContext?: Record<string, unknown>);
}

export { StorageAdapter };