Adds further ext deps as-is binaries copies from customers env.

external/tmsif/include/ddkit/access/ITopic.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <string>
+
+namespace ddkit {
+namespace access {
+
+/// @brief template-independent base-class of topics (needed to have a type for generically store a topic-map)
+class ITopic {
+
+public:
+    virtual std::string topicName() = 0;
+    virtual bool hasReader() = 0;
+    virtual void unloadReader() = 0;
+    virtual void closeReader() = 0;
+    virtual bool hasWriter() = 0;
+    virtual void closeWriter() = 0;
+    virtual ~ITopic() = default;
+};
+
+} // namespace access
+} // namespace ddkit