silence warnings

Author: slisaasquatch

src/main/java/com/saasquatch/jsonschemainferrer/ExamplesPolicies.java

@@ -41,6 +41,7 @@ public static ExamplesPolicy useFirstSamples(@Nonnegative int limit) {
   public static ExamplesPolicy useFirstSamples(@Nonnegative int limit,
       @Nonnull Predicate<String> typePredicate) {
     Objects.requireNonNull(typePredicate);
+    //noinspection ConstantConditions
     if (limit < 0) {
       throw new IllegalArgumentException("Invalid limit");
     }

src/test/java/com/saasquatch/jsonschemainferrer/JsonSchemaInferrerOptionsTest.java

@@ -34,6 +34,7 @@
 
 public class JsonSchemaInferrerOptionsTest {
 
+  @SuppressWarnings("ConstantConditions")
   @Test
   public void testNoOp() {
     assertNull(RequiredPolicies.noOp().getRequired(null));