export declare const trimText: (input: string) => string;
export declare const prettyPhoneNum: (input: string) => string;
/** @returns content-length(euc-kr) */
export declare const getContentLength: (input: string) => number;
export declare const convertToUtc: (input: string) => string;
export declare const convertToKst: (input: number) => string;
export declare const getDefaultRequestDuration: (config: {
    durationLimitMs: number;
}) => {
    startTime: string;
    endTime: string;
};
export declare const resolveRequestDuration: (input: {
    startTime: string;
    endTime: string;
}, config: {
    durationLimitMs: number;
}) => {
    startTimeMs: number;
    endTimeMs: number;
};