Use declared variables to select the correct configuration for resolution

pkg/analysis_server/lib/src/status/ast_writer.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 analysis_server.src.status.ast_writer;
 
 import 'dart:collection';
 
 import 'package:analysis_server/src/status/tree_writer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 44 matching lines @@
       properties['propagated element'] = node.propagatedElement;
       properties['propagated type'] = node.propagatedType;
     } else if (node is ClassDeclaration) {
       properties['element'] = node.element;
       properties['abstract keyword'] = node.abstractKeyword;
     } else if (node is ClassTypeAlias) {
       properties['element'] = node.element;
       properties['abstract keyword'] = node.abstractKeyword;
     } else if (node is CompilationUnit) {
       properties['element'] = node.element;
+    } else if (node is Configuration) {
+      properties['uriSource'] = node.uriSource;
     } else if (node is ConstructorName) {
       properties['static element'] = node.staticElement;
     } else if (node is DeclaredIdentifier) {
       properties['element'] = node.element;
       properties['keyword'] = node.keyword;
     } else if (node is ExportDirective) {
       properties['element'] = node.element;
-      properties['source'] = node.source;
+      properties['selectedSource'] = node.selectedSource;
+      properties['uriSource'] = node.uriSource;
     } else if (node is FieldDeclaration) {
       properties['static keyword'] = node.staticKeyword;
     } else if (node is FormalParameter) {
       properties['element'] = node.element;
       properties['kind'] = node.kind;
     } else if (node is FunctionDeclaration) {
       properties['element'] = node.element;
       properties['external keyword'] = node.externalKeyword;
       properties['property keyword'] = node.propertyKeyword;
     } else if (node is FunctionExpressionInvocation) {
       properties['static element'] = node.staticElement;
       properties['static invoke type'] = node.staticInvokeType;
       properties['static type'] = node.staticType;
       properties['propagated element'] = node.propagatedElement;
       properties['propagated invoke type'] = node.propagatedInvokeType;
       properties['propagated type'] = node.propagatedType;
     } else if (node is ImportDirective) {
       properties['element'] = node.element;
-      properties['source'] = node.source;
+      properties['selectedSource'] = node.selectedSource;
+      properties['uriSource'] = node.uriSource;
     } else if (node is IndexExpression) {
       properties['static element'] = node.staticElement;
       properties['static type'] = node.staticType;
       properties['propagated element'] = node.propagatedElement;
       properties['propagated type'] = node.propagatedType;
     } else if (node is InstanceCreationExpression) {
       properties['static element'] = node.staticElement;
       properties['static type'] = node.staticType;
       properties['propagated type'] = node.propagatedType;
     } else if (node is LibraryDirective) {
       properties['element'] = node.element;
     } else if (node is MethodDeclaration) {
       properties['element'] = node.element;
       properties['external keyword'] = node.externalKeyword;
       properties['modifier keyword'] = node.modifierKeyword;
       properties['operator keyword'] = node.operatorKeyword;
       properties['property keyword'] = node.propertyKeyword;
     } else if (node is MethodInvocation) {
       properties['static invoke type'] = node.staticInvokeType;
       properties['static type'] = node.staticType;
       properties['propagated invoke type'] = node.propagatedInvokeType;
       properties['propagated type'] = node.propagatedType;
     } else if (node is PartDirective) {
       properties['element'] = node.element;
-      properties['source'] = node.source;
+      properties['uriSource'] = node.uriSource;
     } else if (node is PartOfDirective) {
       properties['element'] = node.element;
     } else if (node is PostfixExpression) {
       properties['static element'] = node.staticElement;
       properties['static type'] = node.staticType;
       properties['propagated element'] = node.propagatedElement;
       properties['propagated type'] = node.propagatedType;
     } else if (node is PrefixExpression) {
       properties['static element'] = node.staticElement;
       properties['static type'] = node.staticType;
@@ skipping 103 matching lines @@
     buffer.write('..');
     buffer.write(node.offset + node.length - 1);
     buffer.write(']');
     if (node.isSynthetic) {
       buffer.write(' (synthetic)');
     }
     buffer.write('</span>');
     buffer.write('<br>');
   }
 }