StringOptions<sync>
String
Type Parameters
- 
sync extends "sync" | "async"This lets the TypeScript checker verify that asynchronous Importers, FileImporters, and CustomFunctions aren't passed to compile or compileString. 
Options that can be passed to compileString or compileStringAsync.
This is a StringOptionsWithImporter if it has a importer field, and a StringOptionsWithoutImporter otherwise.