chore(publish): prepare for v2.0.0

Author: hoc081098

lib/src/value_listenable_to_value_stream.dart

@@ -58,39 +58,39 @@ class ValueListenableStream<T> extends Stream<T> implements ValueStream<T> {
     );
   }
 
-  /// Always return `false`.
+  /// Always returns `false`.
   @override
   bool get isBroadcast => false;
 
   /// Always throw [ValueStreamError.hasNoError].
   @override
   Never get error => throw ValueStreamError.hasNoError();
 
-  /// Always return `null`.
+  /// Always returns `null`.
   @override
   Null get errorOrNull => null;
 
-  /// Always return `false`.
+  /// Always returns `false`.
   @override
   bool get hasError => false;
 
-  /// Always return `null`.
+  /// Always returns `null`.
   @override
   Null get stackTrace => null;
 
-  /// Always return `true`.
+  /// Always returns `true`.
   @override
   bool get hasValue => true;
 
-  /// Always return the latest value.
+  /// Always returns the latest value.
   @override
   T get value => _valueListenable.value;
 
-  /// Always return the latest value.
+  /// Always returns the latest value.
   @override
   T get valueOrNull => _valueListenable.value;
 
-  /// Always return a [DataNotification] with the latest value.
+  /// Always returns a [DataNotification] with the latest value.
   @override
   DataNotification<T> get lastEventOrNull =>
       DataNotification<T>(_valueListenable.value);