+ /**
+ * Return {@code true} if this version is earier than some {@code other} version.
+ *
+ * @param other Other {@link ABIVersion}
+ * @return {@code true} if {@code other is later}
+ * @throws NullPointerException if {@code other} is null
+ */
+ public boolean lt(final @NonNull ABIVersion other) {
+ return compareTo(other) < 0;
+ }
+