[i2078] Add possibility to generate assert on @NonNull

test/transform/resource/after-ecj/NonNullWithAssertion.java

@@ -0,0 +1,18 @@
+public class NonNullWithAssertion {
+  private @lombok.NonNull @lombok.Setter String test;
+  public NonNullWithAssertion() {
+    super();
+  }
+  public void testMethod(@lombok.NonNull String arg) {
+    assert (arg != null): "arg is marked non-null but is null";
+    System.out.println(arg);
+  }
+  public void testMethodWithIf(@lombok.NonNull String arg) {
+    if ((arg == null))
+        throw new NullPointerException("Oops");
+  }
+  public @java.lang.SuppressWarnings("all") void setTest(final @lombok.NonNull String test) {
+    assert (test != null): "test is marked non-null but is null";
+    this.test = test;
+  }
+}