Error Suppression FTW.

pkg/analyzer/lib/src/generated/error.dart

Index: pkg/analyzer/lib/src/generated/error.dart
diff --git a/pkg/analyzer/lib/src/generated/error.dart b/pkg/analyzer/lib/src/generated/error.dart
index e7175629a5f6682a7b926e3dcab74321007538ef..5f7e3f68b267a65ef034d2799334fc637ca688ed 100644
--- a/pkg/analyzer/lib/src/generated/error.dart
+++ b/pkg/analyzer/lib/src/generated/error.dart
@@ -6,6 +6,8 @@ library engine.error;
 
 import 'dart:collection';
 
+import 'package:analyzer/src/task/model.dart';
+import 'package:analyzer/task/model.dart';
 import 'package:source_span/source_span.dart';
 
 import 'ast.dart' show AstNode;
@@ -15,6 +17,20 @@ import 'scanner.dart' show Token;
 import 'source.dart';
 
 /**
+ * The descriptor used to associate error filters with analysis contexts in
+ * configuration data.
+ */
+final ListResultDescriptor<List<ErrorFilter>> CONFIGURED_ERROR_FILTERS =
+    new ListResultDescriptorImpl('configured.errors', const <ErrorFilter>[]);
+
+/**
+ * A predicate used to potentially filter an [error].
+ *
+ * Returns `true` if this error should be filtered from analysis results.
+ */
+typedef bool ErrorFilter(AnalysisError error);
+
+/**
  * An error discovered during the analysis of some Dart code.
  *
  * See [AnalysisErrorListener].