import type { MiddlewareOptions } from './types';
export interface GlobalConfig extends MiddlewareOptions {
    /** Disable internal caching for paths and regexes (saves memory, costs CPU). */
    disableCache?: boolean;
    /** Default mode applied to `maskSensitiveFields` when not overridden per call. */
    mode?: 'mask' | 'allow';
}
/**
 * Type-safe helper to define Maskify configuration in config files.
 * Narrows the return type so IDE autocomplete works inside the object literal.
 */
export declare function defineConfig(config: GlobalConfig): GlobalConfig;
/**
 * Validates + narrows arbitrary config input into GlobalConfig shape.
 * Silently drops unknown keys rather than throwing, so a typo in a config
 * file can't crash an app at startup.
 */
export declare function validateConfig(raw: unknown): GlobalConfig;
export declare class ConfigLoader {
    private static cached;
    static load(options?: {
        strict?: boolean;
    }): GlobalConfig;
    static reload(): GlobalConfig;
}
export declare const GlobalConfigLoader: typeof ConfigLoader;
//# sourceMappingURL=config.d.ts.map