diff --git a/tf_fuzz/class_forwards.hpp b/tf_fuzz/class_forwards.hpp
new file mode 100644
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+++ b/tf_fuzz/class_forwards.hpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+/* The .hpp files in this project being so self-referential, this file forward-
+   declares all classes before any are attempted to be used. */
+
+#ifndef CLASS_FORWARDS_HPP
+#define CLASS_FORWARDS_HPP
+
+using namespace std;
+
+// find_or_create_asset.hpp:
+enum class asset_search;
+enum class psa_asset_usage;
+enum class psa_asset_search;
+enum class psa_asset_type;
+
+// data_blocks.hpp:
+class expect_info;
+class set_data_info;
+class asset_name_id_info;
+
+// variables.hpp:
+class variable_info;
+
+// template_line.hpp:
+class template_line;
+class sst_template_line;
+class key_template_line;
+class policy_template_line;
+
+// sst_template_line.hpp:
+class set_sst_template_line;
+class remove_sst_template_line;
+class read_sst_template_line;
+
+// crypto_template_line.hpp:
+class set_key_template_line;
+class remove_key_template_line;
+class read_key_template_line;
+class set_policy_template_line;
+class read_policy_template_line;
+
+// security.hpp:
+class security;
+class security_hash;
+
+// psa_call.hpp:
+class psa_call;
+class sst_call;
+class crypto_call;
+
+// sst_call.hpp:
+class sst_set_call;
+class sst_get_call;
+class sst_remove_call;
+
+// crypto_call.hpp:
+class policy_call;
+class key_call;
+class init_policy_call;
+class reset_policy_call;
+class set_policy_usage_call;
+class add_policy_usage_call;
+class set_policy_lifetime_call;
+class set_policy_algorithm_call;
+class set_policy_size_call;
+class set_policy_type_call;
+class get_policy_lifetime_call;
+class get_policy_size_call;
+class get_policy_type_call;
+class get_policy_algorithm_call;
+class get_policy_usage_call;
+class print_policy_usage_call;
+class get_key_policy_call;
+class generate_key_call;
+class create_key_call;
+class copy_key_call;
+class read_key_data_call;
+class remove_key_call;
+
+
+// ************************    INSERT THE NEW STUFF HERE!!
+
+
+class destroy_key_call;
+
+// psa_asset.hpp:
+class psa_asset;
+
+// sst_asset.hpp:
+class sst_asset;
+
+// crypto_asset.hpp:
+class crypto_asset;
+class key_asset;
+class policy_asset;
+class key_asset;
+
+// boilerplate.hpp"
+//enum class boilerplate_texts;  not really a "class," and no need to forward-reference it anyway
+class boilerplate;
+
+// gibberish.hpp:
+class gibberish;
+
+// tf_fuzz.hpp:
+class tf_fuzz_info;
+
+#endif  // #ifndef CLASS_FORWARDS_HPP