import type { JSONObject, JSONValue } from '@segment/actions-core';
import type { FriendbuyAPI } from './commonFields';
import { AnalyticsPayload } from './mapEvent';
export interface GetNameParams {
    name?: string;
    firstName?: string;
    lastName?: string;
}
export declare function getName(payload: GetNameParams): string | undefined;
export declare function addName(payload: GetNameParams | undefined): void;
export declare function removeCustomerIfNoId(payload: {
    customer?: {
        id?: string;
    };
}): {
    customer?: {
        id?: string;
    };
};
export declare function moveEventPropertiesToRoot(payload: AnalyticsPayload): AnalyticsPayload;
type NotUndefined<T> = T extends undefined ? never : T;
export declare function isNonEmpty<T extends string | object | unknown>(o: T): o is NotUndefined<T>;
export type FriendbuyPayloadItem = [string, JSONValue | undefined];
export interface CreateFriendbuyPayloadFlags {
    dropEmpty?: boolean;
}
export declare function createFriendbuyPayload(payloadItems: FriendbuyPayloadItem[], flags?: CreateFriendbuyPayloadFlags): JSONObject;
export type DateRecord = {
    year?: number;
    month: number;
    day: number;
};
export declare function filterFriendbuyAttributes(api: FriendbuyAPI, friendbuyAttributes: Record<string, unknown> | undefined): [string, JSONValue][];
export declare function parseDate(date: string | DateRecord | undefined): DateRecord | undefined;
export declare function enjoinInteger(input: unknown): unknown;
export declare function enjoinNumber(input: unknown): unknown;
export declare function enjoinString(input: unknown): unknown;
export {};