Converted Observatory class-tree element

runtime/observatory/lib/src/models/objects/instance.dart

Index: runtime/observatory/lib/src/models/objects/instance.dart
diff --git a/runtime/observatory/lib/src/models/objects/instance.dart b/runtime/observatory/lib/src/models/objects/instance.dart
index e6ee284dc2ee1991375f00b6de1331a6a53cbc73..eb65ea5ae23d113ad4159f80a7a30fe7418fdae8 100644
--- a/runtime/observatory/lib/src/models/objects/instance.dart
+++ b/runtime/observatory/lib/src/models/objects/instance.dart
@@ -4,4 +4,78 @@
 
 part of models;
 
-abstract class InstanceRef extends ObjectRef {}
+abstract class InstanceRef extends ObjectRef {
+  /// Instance references always include their class.
+  ClassRef get clazz;
+
+  /// [optional] The value of this instance as a string.
+  ///
+  /// Provided for the instance kinds:
+  ///   Null (null)
+  ///   Bool (true or false)
+  ///   Double (suitable for passing to Double.parse())
+  ///   Int (suitable for passing to int.parse())
+  ///   String (value may be truncated)
+  ///   Float32x4
+  ///   Float64x2
+  ///   Int32x4
+  ///   StackTrace
+  String get valueAsString;
+
+  /// [optional] The valueAsString for String references may be truncated. If so,
+  /// this property is added with the value 'true'.
+  ///
+  /// New code should use 'length' and 'count' instead.
+  bool get valueAsStringIsTruncated;
+
+  /// [optional] The length of a List or the number of associations in a Map or
+  /// the number of codeunits in a String.
+  ///
+  /// Provided for instance kinds:
+  ///   String
+  ///   List
+  ///   Map
+  ///   Uint8ClampedList
+  ///   Uint8List
+  ///   Uint16List
+  ///   Uint32List
+  ///   Uint64List
+  ///   Int8List
+  ///   Int16List
+  ///   Int32List
+  ///   Int64List
+  ///   Float32List
+  ///   Float64List
+  ///   Int32x4List
+  ///   Float32x4List
+  ///   Float64x2List
+  int get length;
+
+  /// [optional] The name of a Type instance.
+  ///
+  /// Provided for instance kinds:
+  ///   Type
+  String get name;
+
+  /// [optional] The corresponding Class if this Type is canonical.
+  ///
+  /// Provided for instance kinds:
+  ///   Type
+  ClassRef get typeClass;
+
+  /// [optional] The parameterized class of a type parameter:
+  ///
+  /// Provided for instance kinds:
+  ///   TypeParameter
+  ClassRef get parameterizedClass;
+
+  /// [optional] The pattern of a RegExp instance.
+  ///
+  /// The pattern is always an instance of kind String.
+  ///
+  /// Provided for instance kinds:
+  ///   RegExp
+  InstanceRef get pattern;
+}
+
+abstract class Instance extends Object implements InstanceRef {}