import { BadgesStarData, StarColour } from "./DataToStars";
export type StarProgress = {
    [category: string]: (false | StarColour)[];
};
export default class ProgressTracker {
    static previousStars: BadgesStarData | null;
    /**
     * @details Compares the previous and current stars in order to determine which stars have been newly achieved.
     * @param previousStars Previous BadgesStarData
     * @param currentStars Current BadgesStarData
     * @returns A StarProgress object that contains the newly achieved stars (if any)
     */
    static compareStars(currentStars: BadgesStarData): StarProgress;
}