Deprecate unintended APIs.

pkg/analyzer/lib/src/lint/linter.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.
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/file_system/file_system.dart' as file_system;
 import 'package:analyzer/src/generated/engine.dart'
     show AnalysisErrorInfo, AnalysisErrorInfoImpl, Logger;
 import 'package:analyzer/src/generated/java_engine.dart' show CaughtException;
 import 'package:analyzer/src/generated/source.dart' show LineInfo;
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/lint/analysis.dart';
 import 'package:analyzer/src/lint/config.dart';
 import 'package:analyzer/src/lint/io.dart';
 import 'package:analyzer/src/lint/project.dart';
 import 'package:analyzer/src/lint/pub.dart';
 import 'package:analyzer/src/lint/registry.dart';
 import 'package:analyzer/src/services/lint.dart' show Linter;
 import 'package:glob/glob.dart';
 import 'package:path/path.dart' as p;
 
 typedef Printer(String msg);
 
 /// Describes a String in valid camel case format.
+@deprecated // Never intended for public use.
 class CamelCaseString {
   static final _camelCaseMatcher = new RegExp(r'[A-Z][a-z]*');
   static final _camelCaseTester = new RegExp(r'^([_$]*)([A-Z?$]+[a-z0-9]*)+$');
 
   final String value;
   CamelCaseString(this.value) {
     if (!isCamelCase(value)) {
       throw new ArgumentError('$value is not CamelCase');
     }
   }
@@ skipping 384 matching lines @@
 }
 
 class _LintCode extends LintCode {
   static final registry = <String, LintCode>{};
 
   factory _LintCode(String name, String message) => registry.putIfAbsent(
       name + message, () => new _LintCode._(name, message));
 
   _LintCode._(String name, String message) : super(name, message);
 }