/**
 * A function that formats a username and, optionally, a date into a URL that will be AJAX'd to get the data.
 * The URL should be running a server that returns properly formatted data, such as
 * {@link https://github.com/NgGithubContribCalendar/server}
 */
export interface ProxyURLFormatterFunction {
    /**
     * Format the username into a URL
     * @param username The username to format
     * @returns A URL that will be AJAX'd to get the data. The URL should be running a server that returns properly formatted data, such as {@link https://github.com/NgGithubContribCalendar/server}
     */
    (username: string): string;
    /**
     * Format the username into a URL
     * @param username The username to format
     * @param toYear The cutoff year as a number or string
     * @param toMonth The cutoff month with a leading zero, e.g. 01 for January.
     * @param toDay The cutoff day with the leading zero, e.g. 05.
     * @returns A URL that will be AJAX'd to get the data. The URL should be running a server that returns properly formatted data, such as {@link https://github.com/NgGithubContribCalendar/server}
     */
    (username: string, toYear: string | number, toMonth: string, toDay: string): string;
}