import { Flatfile } from '@flatfile/api';
import { FlatfileListener } from '@flatfile/listener';

declare const Extractor: (fileExt: string | RegExp, extractorType: string, parseBuffer: (buffer: Buffer, options: any) => WorkbookCapture | Promise<WorkbookCapture>, options?: Record<string, any>) => (listener: FlatfileListener) => void;
declare function keysToFields({ keys, descriptions, }: {
    keys: string[];
    descriptions?: Record<string, string>;
}): Flatfile.Property[];
/**
 * Generic structure for capturing a workbook
 */
type WorkbookCapture = Record<string, SheetCapture>;
/**
 * Generic structure for capturing a sheet
 */
type SheetCapture = {
    headers: string[];
    descriptions?: Record<string, null | string> | null;
    data: Flatfile.RecordData[];
    metadata?: {
        rowHeaders: number[];
    };
};

export { Extractor, type SheetCapture, type WorkbookCapture, keysToFields };