src/vs/workbench/services/untitled/common/untitledTextEditorInput.ts/UntitledTextEditorInput/resolve
class UntitledTextEditorInput:	override async resolve(): Promise<IUntitledTextEditorModel> {
		if (!this.modelResolve) {
			this.modelResolve = this.model.resolve();
		}

		await this.modelResolve;

		return this.model;
	}