Header mapping init.

lib/handlers/data_handler.dart

@@ -20,11 +20,13 @@ class DataHandler {
     // Index of the packet termination symbol in ASCII.
     int index = _data.indexWhere((e) => e == 36);
     if (index >= 0 && _data.length > index + 1 && _data[index + 1] == 13 && _data[index + 2] == 10) {
+      // TODO if starts with `{` then use data header comparison, else use DataPacket constructor
       _sortedData.add(_data.getRange(0, index + 1).where((e) => e != 10 && e != 13).toList());
       _data.removeRange(0, index + 2);
     }
   }
 
+  @Deprecated("USED FOR DEBUG")
   doPrint() {
     print("");
     _sortedData.map((x) => String.fromCharCodes(x)).forEach(print);

lib/logic/data_header.dart

@@ -24,4 +24,8 @@ class DataHeader {
   bool isEqual(List<int> that) => ListEquality().equals(_headerData, that);
 
   double _confidence() => _detection / _total;
+
+  Map<dynamic, dynamic> getJson() {
+    return {};
+  }
 }
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