Generate constants in server as we do in plugin

pkg/analyzer_plugin/lib/protocol/protocol_constants.dart

Index: pkg/analyzer_plugin/lib/protocol/protocol_constants.dart
diff --git a/pkg/analyzer_plugin/lib/protocol/protocol_constants.dart b/pkg/analyzer_plugin/lib/protocol/protocol_constants.dart
index bd8e54ee2ecf49923b8b15cba92e099a5326d4b5..fcd91764f8813b25a1ea03a45a6ea58051597923 100644
--- a/pkg/analyzer_plugin/lib/protocol/protocol_constants.dart
+++ b/pkg/analyzer_plugin/lib/protocol/protocol_constants.dart
@@ -52,9 +52,9 @@ const String ANALYSIS_RESPONSE_GET_NAVIGATION_TARGETS = 'targets';
 const String COMPLETION_REQUEST_GET_SUGGESTIONS = 'completion.getSuggestions';
 const String COMPLETION_REQUEST_GET_SUGGESTIONS_FILE = 'file';
 const String COMPLETION_REQUEST_GET_SUGGESTIONS_OFFSET = 'offset';
-const String COMPLETION_RESPONSE_GET_SUGGESTIONS_REPLACEMENTLENGTH =
+const String COMPLETION_RESPONSE_GET_SUGGESTIONS_REPLACEMENT_LENGTH =
     'replacementLength';
-const String COMPLETION_RESPONSE_GET_SUGGESTIONS_REPLACEMENTOFFSET =
+const String COMPLETION_RESPONSE_GET_SUGGESTIONS_REPLACEMENT_OFFSET =
     'replacementOffset';
 const String COMPLETION_RESPONSE_GET_SUGGESTIONS_RESULTS = 'results';
 const String EDIT_REQUEST_GET_ASSISTS = 'edit.getAssists';
@@ -75,28 +75,28 @@ const String EDIT_REQUEST_GET_REFACTORING_KIND = 'kind';
 const String EDIT_REQUEST_GET_REFACTORING_LENGTH = 'length';
 const String EDIT_REQUEST_GET_REFACTORING_OFFSET = 'offset';
 const String EDIT_REQUEST_GET_REFACTORING_OPTIONS = 'options';
-const String EDIT_REQUEST_GET_REFACTORING_VALIDATEONLY = 'validateOnly';
+const String EDIT_REQUEST_GET_REFACTORING_VALIDATE_ONLY = 'validateOnly';
 const String EDIT_RESPONSE_GET_ASSISTS_ASSISTS = 'assists';
 const String EDIT_RESPONSE_GET_AVAILABLE_REFACTORINGS_KINDS = 'kinds';
 const String EDIT_RESPONSE_GET_FIXES_FIXES = 'fixes';
 const String EDIT_RESPONSE_GET_REFACTORING_CHANGE = 'change';
 const String EDIT_RESPONSE_GET_REFACTORING_FEEDBACK = 'feedback';
-const String EDIT_RESPONSE_GET_REFACTORING_FINALPROBLEMS = 'finalProblems';
-const String EDIT_RESPONSE_GET_REFACTORING_INITIALPROBLEMS = 'initialProblems';
-const String EDIT_RESPONSE_GET_REFACTORING_OPTIONSPROBLEMS = 'optionsProblems';
-const String EDIT_RESPONSE_GET_REFACTORING_POTENTIALEDITS = 'potentialEdits';
+const String EDIT_RESPONSE_GET_REFACTORING_FINAL_PROBLEMS = 'finalProblems';
+const String EDIT_RESPONSE_GET_REFACTORING_INITIAL_PROBLEMS = 'initialProblems';
+const String EDIT_RESPONSE_GET_REFACTORING_OPTIONS_PROBLEMS = 'optionsProblems';
+const String EDIT_RESPONSE_GET_REFACTORING_POTENTIAL_EDITS = 'potentialEdits';
 const String PLUGIN_NOTIFICATION_ERROR = 'plugin.error';
-const String PLUGIN_NOTIFICATION_ERROR_ISFATAL = 'isFatal';
+const String PLUGIN_NOTIFICATION_ERROR_IS_FATAL = 'isFatal';
 const String PLUGIN_NOTIFICATION_ERROR_MESSAGE = 'message';
-const String PLUGIN_NOTIFICATION_ERROR_STACKTRACE = 'stackTrace';
+const String PLUGIN_NOTIFICATION_ERROR_STACK_TRACE = 'stackTrace';
 const String PLUGIN_REQUEST_SHUTDOWN = 'plugin.shutdown';
 const String PLUGIN_REQUEST_VERSION_CHECK = 'plugin.versionCheck';
-const String PLUGIN_REQUEST_VERSION_CHECK_BYTESTOREPATH = 'byteStorePath';
-const String PLUGIN_REQUEST_VERSION_CHECK_SDKPATH = 'sdkPath';
+const String PLUGIN_REQUEST_VERSION_CHECK_BYTE_STORE_PATH = 'byteStorePath';
+const String PLUGIN_REQUEST_VERSION_CHECK_SDK_PATH = 'sdkPath';
 const String PLUGIN_REQUEST_VERSION_CHECK_VERSION = 'version';
-const String PLUGIN_RESPONSE_VERSION_CHECK_CONTACTINFO = 'contactInfo';
-const String PLUGIN_RESPONSE_VERSION_CHECK_INTERESTINGFILES =
+const String PLUGIN_RESPONSE_VERSION_CHECK_CONTACT_INFO = 'contactInfo';
+const String PLUGIN_RESPONSE_VERSION_CHECK_INTERESTING_FILES =
     'interestingFiles';
-const String PLUGIN_RESPONSE_VERSION_CHECK_ISCOMPATIBLE = 'isCompatible';
+const String PLUGIN_RESPONSE_VERSION_CHECK_IS_COMPATIBLE = 'isCompatible';
 const String PLUGIN_RESPONSE_VERSION_CHECK_NAME = 'name';
 const String PLUGIN_RESPONSE_VERSION_CHECK_VERSION = 'version';