Remove unnecessary uses of extend T::Sig

lib/rubocop/cop/ruby_lsp/use_register_with_handler_method.rb

@@ -63,8 +63,6 @@ module RubyLsp
       #   end
       # end
       class UseRegisterWithHandlerMethod < RuboCop::Cop::Base
-        extend T::Sig
-
         MSG_MISSING_HANDLER = "Registered to `%{listener}` without a handler defined."
         MSG_MISSING_LISTENER = "Created a handler without registering the associated `%{listener}` event."
 

lib/ruby_indexer/lib/ruby_indexer/configuration.rb

@@ -3,8 +3,6 @@
 
 module RubyIndexer
   class Configuration
-    extend T::Sig
-
     CONFIGURATION_SCHEMA = T.let(
       {
         "excluded_gems" => Array,

lib/ruby_indexer/lib/ruby_indexer/declaration_listener.rb

@@ -3,8 +3,6 @@
 
 module RubyIndexer
   class DeclarationListener
-    extend T::Sig
-
     OBJECT_NESTING = T.let(["Object"].freeze, T::Array[String])
     BASIC_OBJECT_NESTING = T.let(["BasicObject"].freeze, T::Array[String])
 

lib/ruby_indexer/lib/ruby_indexer/entry.rb

@@ -11,8 +11,6 @@ class Visibility < T::Enum
       end
     end
 
-    extend T::Sig
-
     #: String
     attr_reader :name
 
@@ -171,8 +169,6 @@ class Module < Namespace
     end
 
     class Class < Namespace
-      extend T::Sig
-
       # The unresolved name of the parent class. This may return `nil`, which indicates the lack of an explicit parent
       # and therefore ::Object is the correct parent class
       #: String?
@@ -192,8 +188,6 @@ def ancestor_hash
     end
 
     class SingletonClass < Class
-      extend T::Sig
-
       #: (Location location, Location name_location, String? comments) -> void
       def update_singleton_information(location, name_location, comments)
         @location = location
@@ -282,7 +276,6 @@ class BlockParameter < Parameter
       DEFAULT_NAME = T.let(:"<anonymous block>", Symbol)
 
       class << self
-        extend T::Sig
         #: -> BlockParameter
         def anonymous
           new(name: DEFAULT_NAME)
@@ -298,8 +291,6 @@ def decorated_name
 
     # A forwarding method parameter, e.g. `def foo(...)`
     class ForwardingParameter < Parameter
-      extend T::Sig
-
       #: -> void
       def initialize
         # You can't name a forwarding parameter, it's always called `...`
@@ -349,8 +340,6 @@ def formatted_signatures
     end
 
     class Accessor < Member
-      extend T::Sig
-
       # @override
       #: -> Array[Signature]
       def signatures
@@ -366,8 +355,6 @@ def signatures
     end
 
     class Method < Member
-      extend T::Sig
-
       #: Array[Signature]
       attr_reader :signatures
 
@@ -394,8 +381,6 @@ def initialize(name, uri, location, name_location, comments, signatures, visibil
     # target in [rdoc-ref:Index#resolve]. If the right hand side contains a constant that doesn't exist, then it's not
     # possible to resolve the alias and it will remain an UnresolvedAlias until the right hand side constant exists
     class UnresolvedConstantAlias < Entry
-      extend T::Sig
-
       #: String
       attr_reader :target
 
@@ -413,8 +398,6 @@ def initialize(target, nesting, name, uri, location, comments) # rubocop:disable
 
     # Alias represents a resolved alias, which points to an existing constant target
     class ConstantAlias < Entry
-      extend T::Sig
-
       #: String
       attr_reader :target
 
@@ -463,8 +446,6 @@ def initialize(name, uri, location, comments, owner)
     # example, if we have `alias a b`, we create an unresolved alias for `a` because we aren't sure immediate what `b`
     # is referring to
     class UnresolvedMethodAlias < Entry
-      extend T::Sig
-
       #: String
       attr_reader :new_name, :old_name
 
@@ -483,8 +464,6 @@ def initialize(new_name, old_name, owner, uri, location, comments) # rubocop:dis
 
     # A method alias is a resolved alias entry that points to the exact method target it refers to
     class MethodAlias < Entry
-      extend T::Sig
-
       #: (Member | MethodAlias)
       attr_reader :target
 
@@ -528,8 +507,6 @@ def signatures
     # However RBS can represent the concept of method overloading, with different return types based on the arguments
     # passed, so we need to store all the signatures.
     class Signature
-      extend T::Sig
-
       #: Array[Parameter]
       attr_reader :parameters
 

lib/ruby_indexer/lib/ruby_indexer/index.rb

@@ -3,8 +3,6 @@
 
 module RubyIndexer
   class Index
-    extend T::Sig
-
     class UnresolvableAliasError < StandardError; end
     class NonExistingNamespaceError < StandardError; end
     class IndexNotEmptyError < StandardError; end
@@ -16,8 +14,6 @@ class IndexNotEmptyError < StandardError; end
     attr_reader :configuration
 
     class << self
-      extend T::Sig
-
       # Returns the real nesting of a constant name taking into account top level
       # references that may be included anywhere in the name or nesting where that
       # constant was found

lib/ruby_indexer/lib/ruby_indexer/location.rb

@@ -3,11 +3,7 @@
 
 module RubyIndexer
   class Location
-    extend T::Sig
-
     class << self
-      extend T::Sig
-
       #: (Prism::Location prism_location, (^(Integer arg0) -> Integer | Prism::CodeUnitsCache) code_units_cache) -> instance
       def from_prism_location(prism_location, code_units_cache)
         new(

lib/ruby_indexer/lib/ruby_indexer/prefix_tree.rb

@@ -33,7 +33,6 @@ module RubyIndexer
   #
   # See https://en.wikipedia.org/wiki/Trie for more information
   class PrefixTree
-    extend T::Sig
     extend T::Generic
 
     Value = type_member
@@ -108,7 +107,6 @@ def find_node(key)
     end
 
     class Node
-      extend T::Sig
       extend T::Generic
 
       Value = type_member

lib/ruby_indexer/lib/ruby_indexer/rbs_indexer.rb

@@ -3,8 +3,6 @@
 
 module RubyIndexer
   class RBSIndexer
-    extend T::Sig
-
     HAS_UNTYPED_FUNCTION = T.let(!!defined?(RBS::Types::UntypedFunction), T::Boolean)
 
     #: (Index index) -> void

lib/ruby_indexer/lib/ruby_indexer/reference_finder.rb

@@ -3,17 +3,13 @@
 
 module RubyIndexer
   class ReferenceFinder
-    extend T::Sig
-
     class Target
       extend T::Helpers
 
       abstract!
     end
 
     class ConstTarget < Target
-      extend T::Sig
-
       #: String
       attr_reader :fully_qualified_name
 
@@ -25,8 +21,6 @@ def initialize(fully_qualified_name)
     end
 
     class MethodTarget < Target
-      extend T::Sig
-
       #: String
       attr_reader :method_name
 
@@ -38,8 +32,6 @@ def initialize(method_name)
     end
 
     class InstanceVariableTarget < Target
-      extend T::Sig
-
       #: String
       attr_reader :name
 
@@ -51,8 +43,6 @@ def initialize(name)
     end
 
     class Reference
-      extend T::Sig
-
       #: String
       attr_reader :name
 

lib/ruby_indexer/lib/ruby_indexer/visibility_scope.rb

@@ -5,11 +5,7 @@ module RubyIndexer
   # Represents the visibility scope in a Ruby namespace. This keeps track of whether methods are in a public, private or
   # protected section, and whether they are module functions.
   class VisibilityScope
-    extend T::Sig
-
     class << self
-      extend T::Sig
-
       #: -> instance
       def module_function_scope
         new(module_func: true, visibility: Entry::Visibility::PRIVATE)

lib/ruby_lsp/addon.rb

@@ -35,8 +35,6 @@ class Addon
     class IncompatibleApiError < StandardError; end
 
     class << self
-      extend T::Sig
-
       #: Array[Addon]
       attr_accessor :addons
 

lib/ruby_lsp/client_capabilities.rb

@@ -5,8 +5,6 @@ module RubyLsp
   # This class stores all client capabilities that the Ruby LSP and its add-ons depend on to ensure that we're
   # not enabling functionality unsupported by the editor connecting to the server
   class ClientCapabilities
-    extend T::Sig
-
     #: bool
     attr_reader :supports_watching_files,
       :supports_request_delegation,

lib/ruby_lsp/erb_document.rb

@@ -3,7 +3,6 @@
 
 module RubyLsp
   class ERBDocument < Document
-    extend T::Sig
     extend T::Generic
 
     ParseResultType = type_member { { fixed: Prism::ParseResult } }
@@ -73,8 +72,6 @@ def inside_host_language?(char_position)
     end
 
     class ERBScanner
-      extend T::Sig
-
       #: String
       attr_reader :ruby, :host_language
 

lib/ruby_lsp/global_state.rb

@@ -3,8 +3,6 @@
 
 module RubyLsp
   class GlobalState
-    extend T::Sig
-
     #: String
     attr_reader :test_library
 

lib/ruby_lsp/listeners/code_lens.rb

@@ -6,7 +6,6 @@
 module RubyLsp
   module Listeners
     class CodeLens
-      extend T::Sig
       include Requests::Support::Common
 
       BASE_COMMAND = T.let(

lib/ruby_lsp/listeners/completion.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class Completion
-      extend T::Sig
       include Requests::Support::Common
 
       KEYWORDS = [

lib/ruby_lsp/listeners/definition.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class Definition
-      extend T::Sig
       include Requests::Support::Common
 
       MAX_NUMBER_OF_DEFINITION_CANDIDATES_WITHOUT_RECEIVER = 10

lib/ruby_lsp/listeners/document_highlight.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class DocumentHighlight
-      extend T::Sig
       include Requests::Support::Common
 
       GLOBAL_VARIABLE_NODES = T.let(

lib/ruby_lsp/listeners/document_link.rb

@@ -6,7 +6,6 @@
 module RubyLsp
   module Listeners
     class DocumentLink
-      extend T::Sig
       include Requests::Support::Common
 
       GEM_TO_VERSION_MAP = T.let(
@@ -17,8 +16,6 @@ class DocumentLink
       )
 
       class << self
-        extend T::Sig
-
         #: -> Hash[String, Hash[String, Hash[String, String]]]
         def gem_paths
           @gem_paths ||= T.let(

lib/ruby_lsp/listeners/document_symbol.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class DocumentSymbol
-      extend T::Sig
       include Requests::Support::Common
 
       ATTR_ACCESSORS = T.let([:attr_reader, :attr_writer, :attr_accessor].freeze, T::Array[Symbol])

lib/ruby_lsp/listeners/folding_ranges.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class FoldingRanges
-      extend T::Sig
       include Requests::Support::Common
 
       #: (ResponseBuilders::CollectionResponseBuilder[Interface::FoldingRange] response_builder, Array[Prism::Comment] comments, Prism::Dispatcher dispatcher) -> void

lib/ruby_lsp/listeners/hover.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class Hover
-      extend T::Sig
       include Requests::Support::Common
 
       ALLOWED_TARGETS = T.let(

lib/ruby_lsp/listeners/inlay_hints.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class InlayHints
-      extend T::Sig
       include Requests::Support::Common
 
       RESCUE_STRING_LENGTH = T.let("rescue".length, Integer)

lib/ruby_lsp/listeners/semantic_highlighting.rb

@@ -5,7 +5,6 @@ module RubyLsp
   module Listeners
     class SemanticHighlighting
       include Requests::Support::Common
-      extend T::Sig
 
       SPECIAL_RUBY_METHODS = T.let(
         [

lib/ruby_lsp/listeners/signature_help.rb

@@ -4,7 +4,6 @@
 module RubyLsp
   module Listeners
     class SignatureHelp
-      extend T::Sig
       include Requests::Support::Common
 
       #: (ResponseBuilders::SignatureHelp response_builder, GlobalState global_state, NodeContext node_context, Prism::Dispatcher dispatcher, RubyDocument::SorbetLevel sorbet_level) -> void

lib/ruby_lsp/listeners/test_style.rb

@@ -116,7 +116,6 @@ def handle_test_unit_groups(file_path, groups_and_examples)
         end
       end
 
-      extend T::Sig
       include Requests::Support::Common
 
       ACCESS_MODIFIERS = [:public, :private, :protected].freeze