module Faker::Deprecator

def deprecate_generator(old_generator_name, new_generator_constant)
  class_variable_set(:@@_deprecated_constants, {}) unless class_variable_defined?(:@@_deprecated_constants)
  class_variable_get(:@@_deprecated_constants)[old_generator_name] = {
    new_constant: new_generator_constant,
    old_generator: old_generator_name
  }
end