Create top-level Private module for nesting private constants

USAGE.md

@@ -265,7 +265,7 @@ You can also reference the name of a gem.
 
 While `packwerk` ships with its own offense formatter, you may specify a custom one in your configuration file via the `offenses_formatter:` key.  Your custom formatter will be used when `bin/packwerk check` is run.
 
-Firstly, you'll need to create an `OffensesFormatter` class that includes `Packwerk::OffensesFormatter`. You can use [`Packwerk::Formatters::OffensesFormatter`](lib/packwerk/formatters/offenses_formatter.rb) as a point of reference for this. Then, in the `require` directive described above, you'll want to tell `packwerk` about it:
+Firstly, you'll need to create an `OffensesFormatter` class that includes `Packwerk::OffensesFormatter`. You can use [`Formatters::OffensesFormatter`](lib/packwerk/formatters/offenses_formatter.rb) as a point of reference for this. Then, in the `require` directive described above, you'll want to tell `packwerk` about it:
 ```ruby
 # ./path/to/file.rb
 class MyOffensesFormatter
@@ -358,7 +358,7 @@ class MyValidator
     ['enforce_my_custom_checker']
   end
 
-  sig { override.params(package_set: PackageSet, configuration: Configuration).returns(ApplicationValidator::Result) }
+  sig { override.params(package_set: PackageSet, configuration: Configuration).returns(Validator::Result) }
   def call(package_set, configuration)
     # your logic here
   end

lib/packwerk.rb

@@ -13,62 +13,24 @@
 module Packwerk
   extend ActiveSupport::Autoload
 
-  autoload :ApplicationLoadPaths
-  autoload :ApplicationValidator
-  autoload :AssociationInspector
-  autoload :OffenseCollection
-  autoload :Cache
+  # Public APIs
   autoload :Checker
   autoload :Cli
   autoload :Configuration
-  autoload :ConstantDiscovery
-  autoload :ConstantNameInspector
-  autoload :ConstNodeInspector
-  autoload :PackageTodo
-  autoload :ExtensionLoader
-  autoload :FileProcessor
-  autoload :FilesForProcessing
   autoload :Graph
-  autoload :Loader
-  autoload :Node
-  autoload :NodeHelpers
-  autoload :NodeProcessor
-  autoload :NodeProcessorFactory
-  autoload :NodeVisitor
   autoload :Offense
+  autoload :OffenseCollection
   autoload :OffensesFormatter
   autoload :OutputStyle
   autoload :Package
   autoload :PackageSet
-  autoload :ParsedConstantDefinitions
+  autoload :PackageTodo
   autoload :Parsers
-  autoload :ParseRun
-  autoload :UnresolvedReference
   autoload :Reference
-  autoload :ReferenceExtractor
   autoload :ReferenceOffense
-  autoload :Result
-  autoload :RunContext
   autoload :Validator
   autoload :Version
 
-  module OutputStyles
-    extend ActiveSupport::Autoload
-
-    autoload :Coloured
-    autoload :Plain
-  end
-
-  autoload_under "commands" do
-    autoload :OffenseProgressMarker
-  end
-
-  module Formatters
-    extend ActiveSupport::Autoload
-
-    autoload :ProgressFormatter
-  end
-
   module Generators
     extend ActiveSupport::Autoload
 
@@ -85,21 +47,45 @@ module Checkers
       extend ActiveSupport::Autoload
 
       autoload :DependencyChecker
-      autoload :PrivacyChecker
     end
   end
 
-  class ApplicationValidator
+  module Validator
+    extend ActiveSupport::Autoload
+
+    autoload :Result
+  end
+
+  class Cli
     extend ActiveSupport::Autoload
 
     autoload :Result
-    autoload :Helpers
   end
+
+  module OutputStyles
+    extend ActiveSupport::Autoload
+
+    autoload :Coloured
+    autoload :Plain
+  end
+
+  autoload_under "commands" do
+    autoload :OffenseProgressMarker
+  end
+
+  module Formatters
+    extend ActiveSupport::Autoload
+
+    autoload :ProgressFormatter
+  end
+
+  # Private APIs
+  autoload :Private
 end
 
-# Required to register the default OffensesFormatter
+# Required to register the DefaultOffensesFormatter
 # We put this at the *end* of the file to specify all autoloads first
-require "packwerk/formatters/offenses_formatter"
+require "packwerk/formatters/default_offenses_formatter"
 
 # Required to register the default DependencyChecker
 require "packwerk/reference_checking/checkers/dependency_checker"