Include more errors when computing complete list

pkg/analyzer/lib/task/model.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.task.model;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/generated/engine.dart' hide AnalysisTask;
 import 'package:analyzer/src/generated/java_engine.dart';
@@ skipping 419 matching lines @@
  * A description of an input to an [AnalysisTask] that can be used to compute
  * that input.
  *
  * Clients are not expected to subtype this class.
  */
 abstract class TaskInput<V> {
   /**
    * Create and return a builder that can be used to build this task input.
    */
   TaskInputBuilder<V> createBuilder();
+
+  /**
+   * Return a task input that can be used to compute a list whose elements are
+   * the result of passing the result of this input to the [mapper] function.
+   */
+  ListTaskInput /*<E>*/ mappedToList(List /*<E>*/ mapper(V value));
 }
 
 /**
  * An object used to build the value associated with a single [TaskInput].
  *
  * All builders work by requesting one or more results (each result being
  * associated with a target). The interaction pattern is modeled after the class
  * [Iterator], in which the method [moveNext] is invoked to move from one result
  * request to the next. The getters [currentResult] and [currentTarget] are used
  * to get the result and target of the current request. The value of the result
@@ skipping 51 matching lines @@
    * be computed, or `false` if the inputs have been computed.
    *
    * It is safe to invoke [moveNext] after it has returned `false`. In this case
    * [moveNext] has no effect and will again return `false`.
    *
    * Throws a [StateError] if the value of the current result has not been
    * provided using [currentValue].
    */
   bool moveNext();
 }