import { CsvStringifier } from './abstract';
import { FieldStringifier } from '../field-stringifier';
import { Field, ObjectStringifierHeader } from '../record';
import { ObjectMap } from '../lang/object';
export declare class ObjectCsvStringifier extends CsvStringifier<ObjectMap<Field>> {
    private readonly header;
    private readonly headerIdDelimiter?;
    constructor(fieldStringifier: FieldStringifier, header: ObjectStringifierHeader, recordDelimiter?: string, headerIdDelimiter?: string | undefined);
    protected getHeaderRecord(): string[] | null;
    protected getRecordAsArray(record: ObjectMap<Field>): Field[];
    private getNestedValue;
    private get fieldIds();
    private get isObjectHeader();
}