import { Duration } from 'luxon';
export declare class Utils {
    static urlWithoutTrailingSlashes(url: string): string;
    static parseInteger(value: string): number;
    static parseIntegerPositive(value: string): number;
    static parseIntegerWithDefault(value: any, defaultValue: number, toPositive?: boolean): number;
    static parseFloatFixedPoint(value: string, fractionDigits?: number): number;
    static parseFloatFixedPointPositive(value: string, fractionDigits?: number): number;
    static toStringList(value?: string | string[]): string[];
    static toDate(val: Date | string | number | undefined): Date | undefined;
    /**
     * Parses a string into a duration. The string must either be a number (e.g.
     * '123', '1000') which will be interpreted as milliseconds, or a number
     * suffixed by a common unit (e.g. '10 seconds', '1 minute', '2 hours').
     */
    static toDuration(val: number | string): Duration;
    static sleep(millis: number): Promise<void>;
    static toCategoryDetail<EnumType extends {
        Custom: any;
    }>(enumObject: EnumType & Record<string, any>, category: string, categoryMapping?: Record<string, string>): {
        category: EnumType[keyof EnumType];
        detail: string;
    };
    static cleanAndTruncate(str?: string, maxLength?: number): string | null | undefined;
}