import type { NotifyKitAndroidConfig, NotifyKitIosConfig } from './types';
type SerializeInput = {
    title: string;
    body: string;
    android?: NotifyKitAndroidConfig;
    ios?: NotifyKitIosConfig;
};
export declare function serializeNotifeeOptions(input: SerializeInput): string;
export declare function serializeData(data?: Record<string, string>): string | undefined;
export {};
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