import type { ContentModelText, ShallowMutableContentModelParagraph } from 'roosterjs-content-model-types';
/**
 * Split given text segments from the given range
 * @param textSegment segment to split
 * @param parent parent paragraph the text segment exist in
 * @param start starting point of the split
 * @param end ending point of the split
 * @returns text segment from the indicated split.
 */
export declare function splitTextSegment(textSegment: ContentModelText, parent: ShallowMutableContentModelParagraph, start: number, end: number): ContentModelText;