src/vs/editor/contrib/codeAction/codeActionCommands.ts/contextKeyForSupportedActions
function contextKeyForSupportedActions(kind: CodeActionKind) {
	return ContextKeyExpr.regex(
		SUPPORTED_CODE_ACTIONS.keys()[0],
		new RegExp('(\\s|^)' + escapeRegExpCharacters(kind.value) + '\\b'));
}