Added missing docs

lib/src/data.dart

@@ -669,6 +669,18 @@ class _InheritedData<T> extends InheritedWidget {
     required super.child,
   });
 
+  @override
+  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
+    super.debugFillProperties(properties);
+    properties.add(DiagnosticsProperty<T>('data', data));
+  }
+
+  @override
+  String toStringShort() {
+    final String type = objectRuntimeType(this, 'Data');
+    return key == null ? type : '$type-$key';
+  }
+
   @override
   bool updateShouldNotify(covariant _InheritedData<T> oldWidget) {
     if (data is DistinctData && oldWidget.data is DistinctData) {
@@ -731,7 +743,9 @@ class _CaptureAllData extends StatelessWidget {
   }
 }
 
+/// A mixin for all kinds of Data properties.
 mixin MultiModelItem {
+  /// The normalized model of the model.
   Model<Object?> get normalized;
 }
 
@@ -1287,6 +1301,15 @@ class _InheritedModel extends InheritedModel<ModelKey> {
 
   const _InheritedModel(this.data, {required super.child});
 
+  @override
+  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
+    super.debugFillProperties(properties);
+    for (final model in data) {
+      properties
+          .add(DiagnosticsProperty(model.dataKey.toString(), model.value));
+    }
+  }
+
   @override
   bool updateShouldNotify(covariant _InheritedModel oldWidget) {
     for (final model in data) {

lib/src/list.dart

@@ -12,7 +12,11 @@ typedef ListChangeListener<T> = void Function(ListChangeDetails<T> details);
 abstract class ListListenable<T> extends ValueListenable<List<T>> {
   @override
   List<T> get value;
+
+  /// Adds a [listener] to be notified of changes.
   void addChangeListener(ListChangeListener<T> listener);
+
+  /// Removes a [listener] from being notified of changes.
   void removeChangeListener(ListChangeListener<T> listener);
 }
 

lib/src/map.dart

@@ -23,7 +23,11 @@ typedef MapChangeListener<K, V> = void Function(MapChangeDetails<K, V> details);
 abstract class MapListenable<K, V> extends ValueListenable<Map<K, V>> {
   @override
   Map<K, V> get value;
+
+  /// Adds a [listener] to be notified of changes.
   void addChangeListener(MapChangeListener<K, V> listener);
+
+  /// Removes a [listener] from being notified of changes.
   void removeChangeListener(MapChangeListener<K, V> listener);
 }