public InvoiceFeatures clone() {
number ret = bindings.InvoiceFeatures_clone(this.ptr);
const ret_hu_conv: InvoiceFeatures = new InvoiceFeatures(null, ret);
public InvoiceFeatures clone() {
number ret = bindings.InvoiceFeatures_clone(this.ptr);
const ret_hu_conv: InvoiceFeatures = new InvoiceFeatures(null, ret);