import { AutoMaskOptions, MaskOptions, MaskSchemaOptions, Paths } from '../utils';
export declare class MaskifyCore {
    /**
     * Helper to merge provided options with global configuration.
     * @param opts - Per-call options.
     * @param config - Optional global config override (dependency injection).
     */
    private static getEffectiveOptions;
    /**
     * Masks a single value based on the provided options.
     * @param value - The string to mask.
     * @param opts - Masking options.
     */
    static mask(value: string, opts?: MaskOptions): string;
    /**
     * Masks a single value asynchronously (supports async custom/deterministic maskers).
     */
    static maskAsync(value: string, opts?: MaskOptions): Promise<string>;
    static autoMask<T extends object>(data: T[], options?: AutoMaskOptions): T[];
    static autoMask<T extends object>(data: T, options?: AutoMaskOptions): T;
    /**
     * Asynchronous auto-masking strategy.
     */
    static autoMaskAsync<T extends object>(data: T[], options?: AutoMaskOptions): Promise<T[]>;
    static autoMaskAsync<T extends object>(data: T, options?: AutoMaskOptions): Promise<T>;
    /**
     * Pattern-based masking helper.
     */
    static pattern(value: unknown, pattern: string, option?: Pick<MaskOptions, 'maskChar'>): string;
    /**
     * Delegates masking to the registered handler.
     */
    private static maskByType;
    /**
     * Delegates masking to the registered handler asynchronously.
     */
    private static maskByTypeAsync;
    /**
     * Mask fields in nested object/array based on schema.
     */
    static maskSensitiveFields<T extends object>(data: T[], schema: Partial<Record<Paths<T[]> & string, MaskOptions>>, options?: MaskSchemaOptions, configOverride?: MaskOptions): T[];
    static maskSensitiveFields<T extends object>(data: T, schema: Partial<Record<Paths<T> & string, MaskOptions>>, options?: MaskSchemaOptions, configOverride?: MaskOptions): T;
    /**
     * Asynchronous nested object masking.
     */
    static maskSensitiveFieldsAsync<T extends object>(data: T[], schema: Partial<Record<Paths<T[]> & string, MaskOptions>>, options?: MaskSchemaOptions, configOverride?: MaskOptions): Promise<T[]>;
    static maskSensitiveFieldsAsync<T extends object>(data: T, schema: Partial<Record<Paths<T> & string, MaskOptions>>, options?: MaskSchemaOptions, configOverride?: MaskOptions): Promise<T>;
}
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