function bytes.copyBytesimport { bytes } from "https://dotland.deno.dev/x/aleph@v0.2.28/std.ts"; const { copyBytes } = bytes; copyBytes(src: Uint8Array,dst: Uint8Array,off?,): numberCopy bytes from one Uint8Array to another. Bytes from src which don't fit into dst will not be copied. Parameterssrc: Uint8ArraySource byte array dst: Uint8ArrayDestination byte array optionaloff = [UNSUPPORTED]Offset into dst at which to begin writing values from src. Returnsnumbernumber of bytes copied