import { ResizeObserver, ResizeObserverCallback, ResizeObserverEntry } from './ResizeObserver';
export declare class ColumnsSyncObserver {
    private ro;
    private callback;
    private source;
    private target;
    constructor(callback?: ResizeObserverCallback);
    observe(source: HTMLElement, target: HTMLElement): void;
    sync(entries?: ResizeObserverEntry[], observer?: ResizeObserver): void;
    destroy(): void;
}
export declare function syncColumns(sourceRow: HTMLElement, targetRow: HTMLElement): void;
//# sourceMappingURL=ColumnsSyncObserver.d.ts.map