+ * Sets whether a redirect should be inserted. This will only matter if
+ * {@link #isInsert()} returns {@code false}, i.e. it has been
+ * {@link #setInsert(boolean)} to {@code false}. The key that should be
+ * redirected to still needs to be specified via
+ * {@link #setCustomKey(String)}.
+ *
+ * @param insertRedirect
+ * {@code true} if a redirect should be inserted, {@code false}
+ * otherwise