export declare const axiosClient: import("axios").AxiosInstance;
export declare function flattenOptionalArray(param?: string | string[] | number | number[]): string | number;
export declare function convertDateToString(date?: Date | string): string;
declare type ParamsObj = {
    [key: string]: number | string | boolean | undefined;
};
export declare function dynamicQueryParams(params: ParamsObj): ParamsObj;
export declare const appendUTC: (date: string) => string;
export {};