import { SpendPermission } from './types.js';
import { Hex } from '@atxp/client';
import { type ICache, JsonCache, BrowserCache, MemoryCache } from '@atxp/common';
/**
 * Stored permission data structure
 */
export interface Intermediary {
    /** Ephemeral wallet private key */
    privateKey: Hex;
    /** Spend permission from World Chain */
    permission: SpendPermission;
}
/**
 * Type-safe cache wrapper for permission data
 */
export declare class IntermediaryCache extends JsonCache<Intermediary> {
}
export { type ICache, BrowserCache, MemoryCache };
//# sourceMappingURL=cache.d.ts.map