/// <reference types="qs" />
import { ClassConstructor } from "@golemio/core/dist/shared/class-transformer";
import { ParsedQs } from "@golemio/core/dist/shared/qs";
export declare class RopidRouterUtils {
    static TIMEZONE: string;
    /**
     * Convert plain object to DTO class instance
     */
    static mapObjectToDTOInstance: <T>(dto: ClassConstructor<T>, data: any) => T;
    /**
     * Format to ISO 8601 (without milliseconds)
     */
    static formatTimestamp: (dateObject: Date | null, preferredTimezone?: string) => string | null;
    /**
     * Validate and return timezone (it is possible to use _ symbol instead of URL encoded / symbol)
     */
    static getPreferredTimezone: (preferredTimezone: ParsedQs[string]) => string;
    /**
     * Convert query parameter to array  string | ParsedQs | (string | ParsedQs)[] | undefined
     */
    static convertParamToArray: <T>(param: ParsedQs | T | (ParsedQs | T)[] | undefined) => T[];
}