anchor.diff:          analysisServer.sdkManager, analysisServer.overlayState);
       builder.defaultOptions = options;
       builder.fileResolverProvider = analysisServer.fileResolverProvider;
  +    builder.packageResolverProvider = analysisServer.packageResolverProvider;
       builder.defaultPackageFilePath = defaultPackageFilePath;
       builder.defaultPackagesDirectoryPath = defaultPackagesDirectoryPath;
       return builder;
  
positive.code:    * resolved in some contexts.
     */
    ResolverProvider fileResolverProvider;
  
    /**
     * The manager of pub package summaries.
  
negative.code:           defaultContextOptions);
      }
      this.fileResolverProvider = fileResolverProvider;
      this.packageResolverProvider = packageResolverProvider;
      ServerContextManagerCallbacks contextManagerCallbacks =
          new ServerContextManagerCallbacks(this, resourceProvider);
      contextManager.callbacks = contextManagerCallbacks;
  