import { AutoMaskOptions, MaskOptions } from '../../utils';
export type AutoMaskingCallback = (value: string, options: MaskOptions) => string;
export type AutoMaskingCallbackAsync = (value: string, options: MaskOptions) => Promise<string> | string;
export declare function applyAutoStrategy(target: any, options: AutoMaskOptions, maskFn: AutoMaskingCallback): void;
/**
 * Auto-detect and mask sensitive keys/types asynchronously.
 */
export declare function applyAutoStrategyAsync(target: any, options: AutoMaskOptions, maskFn: AutoMaskingCallbackAsync): Promise<void>;
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