src/vs/editor/contrib/linesOperations/linesOperations.ts/LowerCaseAction/constructor
class LowerCaseAction:	constructor() {
		super({
			id: 'editor.action.transformToLowercase',
			label: nls.localize('editor.transformToLowercase', "Transform to Lowercase"),
			alias: 'Transform to Lowercase',
			precondition: EditorContextKeys.writable
		});
	}