import type { AsyncJsonToCsvOptions, DeepUnwrapOptions, JsonToCsvOptions, PreprocessOptions, SaveAsCsvOptions } from './src/types';
export declare function preprocessData(data: any[], options?: PreprocessOptions): any[];
export declare function deepUnwrap(value: any, depthOrOptions?: number | DeepUnwrapOptions, maxDepthParam?: number): any;
export declare function validateFilePath(filePath: string, options?: {
    allowRelative?: boolean;
}): boolean;
export declare function jsonToCsv(data: any[], options?: JsonToCsvOptions): string;
export declare function jsonToCsvAsync(data: any[], options?: AsyncJsonToCsvOptions): Promise<string>;
export declare function saveAsCsv(data: any[], filePath: string, options?: SaveAsCsvOptions): Promise<void>;
export declare function saveAsCsvAsync(data: any[], filePath: string, options?: SaveAsCsvOptions): Promise<void>;
declare const _default: {
    jsonToCsv: typeof jsonToCsv;
    jsonToCsvAsync: typeof jsonToCsvAsync;
    preprocessData: typeof preprocessData;
    deepUnwrap: typeof deepUnwrap;
    validateFilePath: typeof validateFilePath;
    saveAsCsv: typeof saveAsCsv;
    saveAsCsvAsync: typeof saveAsCsvAsync;
};
export default _default;