import { HB } from '../hb';
import { FontType } from '../utils/detectFormat';
/** 计算分包时，单个包内可以容纳的最大轮廓 */
export declare function calcContoursBorder(hb: HB.Handle, face: HB.Face, targetType: FontType, contoursMap: Map<number, number>, maxSize: number, totalChars: Set<number>): Promise<number>;