export type QQBotEnv = 'production' | 'test';
export declare enum BindStatus {
    NONE = 0,
    PENDING = 1,
    COMPLETED = 2,
    EXPIRED = 3
}
export declare function getQQBotHost(env?: QQBotEnv): string;
export declare function generateBindKey(): string;
export declare function buildConnectUrl(taskId: string, source?: string): string;
/**
 * AES-256-GCM 解密 base64 密文。
 * 密文格式: IV(12 bytes) + ciphertext + AuthTag(16 bytes)
 */
export declare function decryptSecret(encryptedBase64: string, keyBase64: string): string;
export interface BindTaskResult {
    taskId: string;
    key: string;
}
export declare function createBindTask(env?: QQBotEnv, timeoutMs?: number): Promise<BindTaskResult>;
export interface PollBindResultOk {
    status: BindStatus;
    botAppId: string;
    botEncryptSecret: string;
}
export declare function pollBindResult(taskId: string, env?: QQBotEnv, timeoutMs?: number): Promise<PollBindResultOk>;
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