class SimpleForm::FormBuilder

def find_input(attribute_name, options={}, &block) #:nodoc:
  column     = find_attribute_column(attribute_name)
  input_type = default_input_type(attribute_name, column, options)
  if input_type == :radio
    SimpleForm.deprecation_warn "Using `:as => :radio` as input type is " \
      "deprecated, please change it to `:as => :radio_buttons`."
    input_type = :radio_buttons
  end
  if block_given?
    SimpleForm::Inputs::BlockInput.new(self, attribute_name, column, input_type, options, &block)
  else
    find_mapping(input_type).new(self, attribute_name, column, input_type, options)
  end
end