import { Data, StackCfg } from '../interface';
import Adjust from './adjust';
export default class Stack extends Adjust {
    constructor(cfg: StackCfg);
    /**
     * 方法入参是经过数据分组、数据数字化之后的二维数组
     * @param groupDataArray 分组之后的数据
     */
    process(groupDataArray: Data[][]): Data[][];
    private reverse;
    private processStack;
    private processOneDimStack;
}