import { Options } from './type';
export declare function UnderlineAction(opt: Options): {
    insertSpanInRange: (start: number, end: number, props?: any, temp?: boolean) => string | HTMLSpanElement[];
    getTextByStartEnd: (start: number, end: number) => string;
    removeSpanByKey: (underlineKey: string | number, mock?: boolean) => void;
    getSpanByKey: (underlineKey: string | number, mock?: boolean) => any;
    getTotalCount: () => number;
    getNativeRangeByStartAndEnd: (start: number, end: number) => Range;
    mockUnderline: (start: number, end: number, props?: any, container?: HTMLElement | undefined, temp?: boolean) => any;
    computeDomPos: () => Text[];
    mergeTextNode: (span: HTMLElement) => void;
    getNodeAndOffset: (offset: number, preferPrevNode?: boolean) => {
        node: Text;
        offset: number;
    };
    getOffset: (node: Text, offset: number) => number;
    getContainer: () => Element;
};