src/vs/base/browser/ui/findinput/replaceInput.ts/PreserveCaseToggle/constructor
class PreserveCaseToggle:	constructor(opts: IFindInputToggleOpts) {
		super({
			// TODO: does this need its own icon?
			icon: Codicon.preserveCase,
			title: NLS_PRESERVE_CASE_LABEL + opts.appendTitle,
			isChecked: opts.isChecked,
			inputActiveOptionBorder: opts.inputActiveOptionBorder,
			inputActiveOptionForeground: opts.inputActiveOptionForeground,
			inputActiveOptionBackground: opts.inputActiveOptionBackground
		});
	}