import { ViewLineRenderingData } from '../../common/viewModel.js';
import { ViewLineOptions } from '../viewParts/viewLines/viewLineOptions.js';
export interface IContentSegmenter {
    /**
     * Gets the content segment at an index within the line data's contents. This will be undefined
     * when the index should not be rendered, ie. when it's part of an earlier segment like the tail
     * end of an emoji, or when the line is not that long.
     * @param index The index within the line data's content string.
     */
    getSegmentAtIndex(index: number): string | undefined;
    getSegmentData(index: number): Intl.SegmentData | undefined;
}
export declare function createContentSegmenter(lineData: ViewLineRenderingData, options: ViewLineOptions): IContentSegmenter;