if elem_ty.java_ty == "long" and elem_ty.java_hu_ty != "long":
return arr_name + " != null ? Arrays.stream(" + arr_name + ").mapToLong(" + conv_name + " -> " + elem_ty.from_hu_conv[0] + ").toArray() : null"
elif elem_ty.java_ty == "long":
if elem_ty.java_ty == "long" and elem_ty.java_hu_ty != "long":
return arr_name + " != null ? Arrays.stream(" + arr_name + ").mapToLong(" + conv_name + " -> " + elem_ty.from_hu_conv[0] + ").toArray() : null"
elif elem_ty.java_ty == "long":