rename RetrieveFlags.option to RetrieveFlags.optionWithDefault (#4181)

diff --git a/bin/dependency_services.dart b/bin/dependency_services.dart
index 9fd589d..95558b3 100644
--- a/bin/dependency_services.dart
+++ b/bin/dependency_services.dart

@@ -21,7 +21,7 @@
 class _DependencyServicesCommandRunner extends CommandRunner<int>
     implements PubTopLevel {
   @override
-  String get directory => argResults.option('directory');
+  String get directory => argResults.optionWithDefault('directory');
 
   @override
   bool get captureStackChains => argResults.flag('verbose');

diff --git a/lib/src/command/lish.dart b/lib/src/command/lish.dart
index dec54f1..f8d8214 100644
--- a/lib/src/command/lish.dart
+++ b/lib/src/command/lish.dart

@@ -45,7 +45,9 @@
     // An explicit argument takes precedence.
     if (argResults.wasParsed('server')) {
       try {
-        return validateAndNormalizeHostedUrl(argResults.option('server'));
+        return validateAndNormalizeHostedUrl(
+          argResults.optionWithDefault('server'),
+        );
       } on FormatException catch (e) {
         usageException('Invalid server: $e');
       }

diff --git a/lib/src/command/uploader.dart b/lib/src/command/uploader.dart
index 8a1602a..86fc2c9 100644
--- a/lib/src/command/uploader.dart
+++ b/lib/src/command/uploader.dart

@@ -23,7 +23,7 @@
   bool get hidden => true;
 
   /// The URL of the package hosting server.
-  Uri get server => Uri.parse(argResults.option('server'));
+  Uri get server => Uri.parse(argResults.optionWithDefault('server'));
 
   UploaderCommand() {
     argParser.addOption(

diff --git a/lib/src/command_runner.dart b/lib/src/command_runner.dart
index 2ad3d52..2f4728e 100644
--- a/lib/src/command_runner.dart
+++ b/lib/src/command_runner.dart

@@ -44,7 +44,7 @@
 
 class PubCommandRunner extends CommandRunner<int> implements PubTopLevel {
   @override
-  String get directory => argResults.option('directory');
+  String get directory => argResults.optionWithDefault('directory');
 
   @override
   bool get captureStackChains {

diff --git a/lib/src/pub_embeddable_command.dart b/lib/src/pub_embeddable_command.dart
index d4549f2..a5fad51 100644
--- a/lib/src/pub_embeddable_command.dart
+++ b/lib/src/pub_embeddable_command.dart

@@ -39,7 +39,7 @@
   String get docUrl => 'https://dart.dev/tools/pub/cmd/pub-global';
 
   @override
-  String get directory => argResults.option('directory');
+  String get directory => argResults.optionWithDefault('directory');
 
   final bool Function() isVerbose;
 

diff --git a/lib/src/utils.dart b/lib/src/utils.dart
index ccfb055..754cc87 100644
--- a/lib/src/utils.dart
+++ b/lib/src/utils.dart

@@ -764,7 +764,7 @@
 extension RetrieveFlags on ArgResults {
   bool flag(String name) => this[name] as bool;
 
-  String option(String name) => this[name] as String;
+  String optionWithDefault(String name) => this[name] as String;
   String? optionWithoutDefault(String name) => this[name] as String?;
 }