core/module.rbs in rbs-3.0.0.dev.1 vs core/module.rbs in rbs-3.0.0.dev.2

@@ -1534,7 +1534,7 @@
   # The first form is equivalent to #attr_reader. The second form is equivalent to
   # `attr_accessor(name)` but deprecated. The last form is equivalent to
   # `attr_reader(name)` but deprecated. Returns an array of defined method names
   # as symbols.
   #
-  def attr: (*Symbol | String arg0) -> NilClass
+  def attr: (*Symbol | String arg0) -> Array[Symbol]
 end