/// <reference types="offscreencanvas" />
import type { ParsedTextStyleProps } from '../display-objects';
import { Rectangle } from '../shapes';
export interface TextMetrics {
    font: string;
    width: number;
    height: number;
    lines: string[];
    lineWidths: number[];
    lineHeight: number;
    maxLineWidth: number;
    fontProperties: IFontMetrics;
    lineMetrics: Rectangle[];
}
interface IFontMetrics {
    ascent: number;
    descent: number;
    fontSize: number;
}
export declare class TextService {
    private cache;
    private offscreenCanvas;
    measureFont(font: string, offscreenCanvas: HTMLCanvasElement | OffscreenCanvas): IFontMetrics;
    measureText(text: string, parsedStyle: ParsedTextStyleProps, offscreenCanvas: HTMLCanvasElement | OffscreenCanvas): TextMetrics;
    private wordWrap;
    private isBreakingSpace;
    private isNewline;
    private trimToBreakable;
    private shouldBreakByKinsokuShorui;
    private trimByKinsokuShorui;
    private canBreakInLastChar;
    private sumTextWidthByCache;
    private findBreakableIndex;
    private getFromCache;
}
export {};