method PixelCollection.prototype.toByteArrayRe-exportimport { PixelCollection } from "https://deno.land/x/lume@v1.18.5/deps/imagick.ts"; toByteArray(x: number,y: number,width: number,height: number,mapping: string,): quantumArray | nullParametersx: numbery: numberwidth: numberheight: numbermapping: stringReturnsquantumArray | null