class SimpleForm::Inputs::BooleanInput

def input(wrapper_options = nil)
  merged_input_options = merge_wrapper_options(input_html_options, wrapper_options)
  if nested_boolean_style?
    build_hidden_field_for_checkbox +
      template.label_tag(nil, class: boolean_label_class) {
        build_check_box_without_hidden_field(merged_input_options) +
          inline_label
      }
  else
    if include_hidden?
      build_check_box(unchecked_value, merged_input_options)
    else
      build_check_box_without_hidden_field(merged_input_options)
    end
  end
end