method default.prototype.sumRegionimport { default } from "https://deno.land/x/masx200_leetcode_test@10.6.0/range-sum-query-2d-mutable/index.ts"; sumRegion(row1: number,col1: number,row2: number,col2: number,): numberParametersrow1: numbercol1: numberrow2: numbercol2: numberReturnsnumber