method Uint16Vector.prototype.copyWithinimport { Uint16Vector } from "https://deno.land/x/typed_numeric@0.5.0/mod.ts"; copyWithin(target: number,start?: number,end?: number,): Uint16VectorParameterstarget: numberoptionalstart: number = [UNSUPPORTED]optionalend: number = [UNSUPPORTED]ReturnsUint16Vector