/**
 * SDK 可选日志门面（默认静默）；业务侧可传入以替代 console.*
 */
export interface SdkLogger {
    debug?: (msg: string, ...args: unknown[]) => void;
    info?: (msg: string, ...args: unknown[]) => void;
    warn?: (msg: string, ...args: unknown[]) => void;
    error?: (msg: string, ...args: unknown[]) => void;
}
/** 不输出日志（库的推荐默认）。 */
export declare const noopSdkLogger: SdkLogger;
/** 直接使用 console（仅调试/过渡期）。 */
export declare const consoleSdkLogger: SdkLogger;