diff --git a/gems/rubocop-ast/1.46/rubocop-ast.rbs b/gems/rubocop-ast/1.46/rubocop-ast.rbs
index 9a170ecbd..2fddb8c64 100644
--- a/gems/rubocop-ast/1.46/rubocop-ast.rbs
+++ b/gems/rubocop-ast/1.46/rubocop-ast.rbs
@@ -11,6 +11,9 @@ module RuboCop
       def raw_source: () -> String
       def buffer: () -> Parser::Source::Buffer
       def comments: () -> Array[Parser::Source::Comment]
+      def []: (Integer index) -> String?
+            | (Integer start, Integer length) -> Array[String]?
+            | (Range[Integer] range) -> Array[String]?
     end
 
     class NodePattern
diff --git a/gems/rubocop/1.57/rubocop.rbs b/gems/rubocop/1.57/rubocop.rbs
index 83e1140a8..df8907306 100644
--- a/gems/rubocop/1.57/rubocop.rbs
+++ b/gems/rubocop/1.57/rubocop.rbs
@@ -154,6 +154,7 @@ module RuboCop
       def line: ((RuboCop::AST::Node | Parser::Source::Range) node_or_range) -> Integer
       def same_line?: ((RuboCop::AST::Node | Parser::Source::Range) node1, (RuboCop::AST::Node | Parser::Source::Range) node2) -> bool
       def indent: (RuboCop::AST::Node node, ?offset: Integer) -> String
+      def comment_line?: (String line_source) -> bool
     end
   end