src/vs/workbench/services/workingCopy/common/untitledFileWorkingCopyManager.ts/UntitledFileWorkingCopyManager/resolve
class UntitledFileWorkingCopyManager:	async resolve(options?: IInternalUntitledFileWorkingCopyOptions): Promise<IUntitledFileWorkingCopy<M>> {
		const workingCopy = this.doCreateOrGet(options);
		await workingCopy.resolve();

		return workingCopy;
	}