--- /dev/null
+/*
+ * Copyright (C) 2015-2019 "IoT.bzh"
+ * Author José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+extern const char afb_error_text_aborted[];
+extern const char afb_error_text_disconnected[];
+extern const char afb_error_text_invalid_request[];
+extern const char afb_error_text_not_available[];
+extern const char afb_error_text_not_replied[];
+extern const char afb_error_text_unknown_api[];
+extern const char afb_error_text_unknown_session[];
+extern const char afb_error_text_unknown_verb[];
+extern const char afb_error_text_insufficient_scope[];
+extern const char afb_error_text_internal_error[];
+extern const char afb_error_text_invalid_token[];