import type { CloudflareKvAdapterOptions, SetOptions } from '../types';
import { BaseStorageAdapter } from './base';
export declare class CloudflareKvStorageAdapter extends BaseStorageAdapter {
    protected readonly backendName = "cloudflare-kv";
    private readonly kv;
    private readonly keyPrefix;
    constructor(options: CloudflareKvAdapterOptions);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    ping(): Promise<boolean>;
    get(key: string): Promise<string | null>;
    protected doSet(key: string, value: string, options?: SetOptions): Promise<void>;
    delete(key: string): Promise<boolean>;
    exists(key: string): Promise<boolean>;
    expire(key: string, ttlSeconds: number): Promise<boolean>;
    ttl(_key: string): Promise<number | null>;
    keys(pattern?: string): Promise<string[]>;
    incr(key: string): Promise<number>;
    decr(key: string): Promise<number>;
    incrBy(_key: string, _amount: number): Promise<number>;
    protected getPubSubSuggestion(): string;
    /** Validate + enforce KV's 60s minimum `expirationTtl`. */
    private toExpirationTtl;
    private prefixKey;
    private unprefixKey;
}