diff --git a/bramble-api/src/main/java/org/briarproject/bramble/api/nullsafety/NullSafety.java b/bramble-api/src/main/java/org/briarproject/bramble/api/nullsafety/NullSafety.java
new file mode 100644
index 000000000..3aed01e5a
--- /dev/null
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/nullsafety/NullSafety.java
@@ -0,0 +1,15 @@
+package org.briarproject.bramble.api.nullsafety;
+
+import javax.annotation.Nullable;
+
+@NotNullByDefault
+public class NullSafety {
+
+	/**
+	 * Stand-in for `Objects.requireNonNull()`.
+	 */
+	public static <T> T requireNonNull(@Nullable T t) {
+		if (t == null) throw new NullPointerException();
+		return t;
+	}
+}