function iterate4Dimport { iterate4D } from "https://deno.land/x/netsaur@0.2.2/src/core/tensor/util.ts"; iterate4D(mat: Tensor<Rank, BackendType> | Shape[Rank], callback: (i: number,j: number,k: number,l: number,) => void): voiditerate over a 4D array. Parametersmat: Tensor<Rank, BackendType> | Shape[Rank]callback: (i: number,j: number,k: number,l: number,) => voidReturnsvoid