src/vs/editor/contrib/linesOperations/browser/linesOperations.ts/TransposeAction/constructor
class TransposeAction:	constructor() {
		super({
			id: 'editor.action.transpose',
			label: nls.localize('editor.transpose', "Transpose characters around the cursor"),
			alias: 'Transpose characters around the cursor',
			precondition: EditorContextKeys.writable
		});
	}