adding some basic linting - prepping support for multiple models being loaded in by the app.

lib/tflite/model/outputs/recognition.dart

@@ -0,0 +1,21 @@
+
+/// Represents the recognition output from the model
+class Recognition {
+  /// Index of the result
+  final int _id;
+  /// Label of the result
+  final String _label;
+  /// Confidence [0.0, 1.0]
+  final double _score;
+
+  Recognition(this._id, this._label, this._score);
+
+  int get id => _id;
+  String get label => _label;
+  double get score => _score;
+
+  @override
+  String toString() {
+    return 'Recognition(id: $id, label: $label, score: $score)';
+  }
+}

lib/tflite/model/outputs/stats.dart

@@ -0,0 +1,18 @@
+
+class Stats {
+  int totalTime;
+  int preProcessingTime;
+  int inferenceTime;
+  int postProcessingTime;
+
+  Stats(
+      {this.totalTime = -1,
+      this.preProcessingTime = -1,
+      this.inferenceTime = -1,
+      this.postProcessingTime = -1});
+
+  @override
+  String toString() {
+    return 'Stats{totalPredictTime: $totalTime,  preProcessingTime: $preProcessingTime,  inferenceTime: $inferenceTime, postProcessingTime: $postProcessingTime}';
+  }
+}