src/vs/workbench/services/textmodelResolver/common/textModelResolverService.ts/TextModelResolverService/resourceModelCollection
class TextModelResolverService:	private get resourceModelCollection() {
		if (!this._resourceModelCollection) {
			this._resourceModelCollection = this.instantiationService.createInstance(ResourceModelCollection);
		}

		return this._resourceModelCollection;
	}