import { EventEmitter } from 'events';
interface KVNamespace {
    get(key: string): Promise<string | null>;
    put(key: string, value: string, options?: {
        expirationTtl?: number;
    }): Promise<void>;
    delete(key: string): Promise<void>;
}
interface CloudflareKVStorageOptions {
    /** TTL in seconds for KV entries. Default: 300 (5 minutes) */
    ttl?: number;
    /** Key prefix for KV entries. Default: '' */
    prefix?: string;
}
declare class CloudflareKVStorage extends EventEmitter {
    private kv;
    private ttl;
    private prefix;
    constructor(kv: KVNamespace, options?: CloudflareKVStorageOptions);
    private key;
    create(token: string, status?: string): Promise<{
        token: string;
        status: string;
    }>;
    read(token: string): Promise<any>;
    update(token: string, updates: Record<string, any>): Promise<any>;
    delete(token: string): Promise<void>;
    exist(token: string, did?: string): Promise<boolean>;
}
export default CloudflareKVStorage;
//# sourceMappingURL=kv.d.ts.map