import { PFunctionResult } from '../types';
import { Options } from 'csv-parse/sync';
import { Sheet2JSONOpts } from 'xlsx';
export declare enum FileType {
    csv = "csv",
    xlsx = "xlsx",
    xls = "xls"
}
export declare enum FileSourceOrDestination {
    url = "url",
    csv = "csv",
    json = "json"
}
export type ConvertFilePayload = {
    clientId: string;
    source: FileSourceOrDestination;
    destination: FileSourceOrDestination;
    fileType: FileType;
    sourceFile?: string | Buffer;
    destinationFileParams?: Options | Sheet2JSONOpts | Record<string, any>;
};
export declare class FileUtil {
    static getFileFromURL(url: string): Promise<Buffer>;
    static convertFile(payload: ConvertFilePayload): PFunctionResult<any>;
}