# File lib/rr/dsl.rb, line 135
    def spy(subject)
      subject_methods = subject.public_methods.map {|method_name| method_name.to_sym }
      methods_to_stub = subject_methods - METHODS_TO_EXCLUDE_FROM_SPYING

      methods_to_stub.each do |method|
        stub.proxy(subject, method)
      end
    end