import type { EventIntermediateCounts, UserData } from '../Interfaces/User';
export declare function getKSTCalendarDateString(daysOffset?: number): string;
export declare function isValidUserState(state: any): boolean;
export declare function isValidEventIntermediateCounts(eics: any): boolean;
export declare function isValidCampaignData(campaignData: any): boolean;
export declare function isValidUserData(userData: any): boolean;
export declare function sanitizeRandomBucketNumber(randomBucketNumber: unknown): number;
export declare const reEligibleConditionUnitToSeconds: Record<string, number>;
export declare function mergeEventCounts(first: EventIntermediateCounts[], second: EventIntermediateCounts[]): EventIntermediateCounts[];
export declare function mergeObjects(first: Record<string, any>, second: Record<string, any>): {
    [x: string]: any;
};
export declare function getCurrentDefaultUserData(): UserData;
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