diff --git a/infer/models/java/src/org/assertj/core/util/Preconditions.java b/infer/models/java/src/org/assertj/core/util/Preconditions.java
new file mode 100644
index 000000000..41672094c
--- /dev/null
+++ b/infer/models/java/src/org/assertj/core/util/Preconditions.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2017 - present Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package org.assertj.core.util;
+
+import javax.annotation.Nullable;
+
+import static com.facebook.infer.builtins.InferBuiltins.assume;
+
+public final class Preconditions {
+
+  public static void checkArgument(
+      boolean expression, String errorMessageTemplate, Object... errorMessageArgs) {
+    assume(expression);
+  }
+
+  public static <T> T checkNotNull(T reference) {
+    assume(reference != null);
+    return reference;
+  }
+
+  public static <T> T checkNotNull(T reference, String message) {
+    assume(reference != null);
+    return reference;
+  }
+
+  public static void checkState(
+      boolean expression, String errorMessageTemplate, Object... errorMessageArgs) {
+    assume(expression);
+  }
+}