/**
 * Parse date string to UTC Date object
 * Handles ISO strings, Date objects, and MM/DD/YYYY format
 */
export declare const parseDateToUTC: (dateValue: string | Date | undefined, defaultDaysAgo?: number) => Date;
/**
 * Parse start date (beginning of day in UTC)
 */
export declare const parseStartDate: (dateValue: string | Date | undefined, defaultDaysAgo?: number) => Date;
/**
 * Parse end date (end of day in UTC)
 */
export declare const parseEndDate: (dateValue: string | Date | undefined) => Date;
/**
 * Get date range data structure for chart data
 */
export declare const getDateRangeData: (startDate: Date, endDate: Date) => {
    date: string;
    total: number;
    pass: number;
    fail: number;
    error: number;
}[];
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