/// <reference types="react" />
import { IBillingInfoData } from '../types';
export declare const getDataWithCustomFields: (initialData: IBillingInfoData[], ticketHoldersFields: IBillingInfoData, customFields: any) => {
    dataWithCustomFields: {
        fields: import("../types").IFieldData[];
        id?: string | number | undefined;
        label?: string | JSX.Element | undefined;
        labelClassName?: string | undefined;
        uniqueId?: string | undefined;
    }[];
    ticketHoldersWithCustomFields: {
        fields: (import("../types").IFieldData | {
            id: number;
            customFields: boolean;
            groupClassname: string;
            groupItems: any[];
        })[];
        id?: string | number | undefined;
        label?: string | JSX.Element | undefined;
        labelClassName?: string | undefined;
        uniqueId?: string | undefined;
    };
};
export declare const getAddOnDataWithCustomFields: (customFields: any) => {
    addOnDataWithCustomFields: never[];
} | {
    addOnDataWithCustomFields: {
        fields: {
            id: number;
            groupClassname: string;
            groupItems: any[];
        }[];
    };
};
export declare const getFieldsKeys: (customFields: any) => any[];