devexpress-richedit/lib/common/utils/interval-utils.d.ts

DevExpress Rich Text Editor is an advanced word-processing tool designed for working with rich text documents.

import { FixedInterval } from '@devexpress/utils/lib/intervals/fixed';
export declare class IntervalUtils {
    static subtractIntervals(a: FixedInterval[], b: FixedInterval[]): FixedInterval[];
}