export declare function debounce<Args extends []>(cb: (...args: Args) => void, delay?: number): (...args: Args) => Promise<unknown>;
export declare const groupBy: <T, K extends string | number | symbol>(list: T[], getKey: (item: T, index: number) => K) => Record<K, T[]>;
export declare const CSSVars: {
    readonly headerHeight: "--header-height";
    readonly collapsedHeaderHeight: "--collapsed-header-height";
    readonly stickyHeaderHeight: "--sticky-header-height";
    readonly stickyHeaderTop: "--sticky-header-top";
};
export declare function updateCssVar(varName: keyof typeof CSSVars, amount: number | string): void;
export declare function getCssVarValue(varName: keyof typeof CSSVars): string;