invalid new type introducing

rbs

class C
  def self.new: (String) -> untyped
end

class C2 < C
end

module M
  def initialize: (String, Integer) -> void
end

result.bash

# ok
$ rbs -I . method --singleton C new
::C.new
  defined_in: ::C
  implementation: ::C
  accessibility: public
  types:
      (::String) -> untyped

# It should be (::String) -> untyped, but not
$ rbs -I . method --singleton C2 new
::C2.new
  defined_in: 
  implementation: 
  accessibility: public
  types:
      () -> ::C2

# It should be no method, but not.
$ rbs -I . method --singleton M new
::M.new
  defined_in: 
  implementation: 
  accessibility: public
  types:
      (::String, ::Integer) -> ::M