import type { RandomOptions, RandomTrace } from '../../shared/random';
export interface YarrowChange {
    initial: number;
    left: number;
    right: number;
    hanging: 1;
    leftRemainder: number;
    rightRemainder: number;
    removed: number;
    remaining: number;
}
export interface YarrowLine {
    changes: YarrowChange[];
    value: 6 | 7 | 8 | 9;
}
export interface YarrowOptions extends RandomOptions {
    /** 十八变分堆记录，每项为挂一前左堆策数，按初爻至上爻排列。 */
    splits?: readonly number[];
}
export interface YarrowResult {
    lines: YarrowLine[];
    yaos: (6 | 7 | 8 | 9)[];
    samplingModel: '余数等概率，类内分堆等概率' | '手工分堆';
    randomTrace?: RandomTrace;
}
/** 《周易衍义》四十九策，分二挂一揲四归奇，三变一爻，十八变成卦。 */
export declare function generateYarrow(options?: YarrowOptions): YarrowResult;