[i2078] Add possibility to generate assert on @NonNull

test/transform/resource/before/NonNullWithAssertion.java

@@ -0,0 +1,13 @@
+//CONF: lombok.nonNull.exceptionType = Assertion
+
+public class NonNullWithAssertion {
+	@lombok.NonNull @lombok.Setter private String test;
+
+	public void testMethod(@lombok.NonNull String arg) {
+		System.out.println(arg);
+	}
+
+	public void testMethodWithIf(@lombok.NonNull String arg) {
+		if (arg == null) throw new NullPointerException("Oops");
+	}
+}