func CopyBytesToGo(dst []byte, src Value) int {
	panic(message)
}
CopyBytesToGo copies bytes from the Uint8Array src to dst.
It returns the number of bytes copied, which will be the minimum of the lengths of src and dst.
CopyBytesToGo panics if src is not an Uint8Array.
package js
const message = "this library should be executed under WASM"