Actual code found in legacy project

constant_is_illusion.rb

def self.extend_printouts_constants
  const = 'PRINTOUT_PROCESS_STATES'
  if ProductPrintingSupport.const_defined?(const)
    old = ProductPrintingSupport.const_get(const)
    ProductPrintingSupport.send(:remove_const, const)
    ProductPrintingSupport.const_set(const, old + [:job_ganging_printout_in_progress])
  end
end