function flattennewimport { flattennew } from "https://deno.land/x/denops_std@v5.2.0/function/vim/mod.ts"; flattennew(denops: Denops,list: unknown,maxdepth?: unknown,): Promise<unknown[]>Like flatten() but first make a copy of {list}. Like flatten() but first make a copy of {list}. Parametersdenops: Denopslist: unknownoptionalmaxdepth: unknownReturnsPromise<unknown[]>