Add recording stuff

source/RobotAPI/interface/ArViz/Component.ice

 #pragma once
 
 #include <RobotAPI/interface/ArViz/Elements.ice>
+#include <Ice/BuiltinSequences.ice>
 
 module armarx
 {
@@ -38,9 +39,39 @@ struct LayerUpdates
     long revision = 0;
 };
 
+struct RecordingHeader
+{
+    string prefix;
+    string comment;
+    long firstTimestampInMicroSeconds = 0;
+    long lastTimestampInMicroSeconds = 0;
+    long firstRevision = 0;
+    long lastRevision = 0;
+};
+
+struct Recording
+{
+    RecordingHeader header;
+    Ice::LongSeq revisions;
+};
+
+sequence<RecordingHeader> RecordingHeaderSeq;
+
 interface StorageInterface
 {
     LayerUpdates pullUpdatesSince(long revision);
+
+    /*
+    void startRecording(string prefix);
+
+    void stopRecording();
+
+    RecordingHeaderSeq getRecordings();
+
+    Recording startReplay(RecordingHeader recording);
+
+    void replayTo(RecordingHeader recording, long revision);
+    */
 };
 
 interface Topic