src/vs/workbench/services/workingCopy/common/fileWorkingCopyManager.ts/FileWorkingCopyManager/resolve
class FileWorkingCopyManager:	resolve(arg1?: URI | INewUntitledFileWorkingCopyOptions | INewUntitledFileWorkingCopyWithAssociatedResourceOptions | INewOrExistingUntitledFileWorkingCopyOptions, arg2?: IStoredFileWorkingCopyResolveOptions): Promise<IUntitledFileWorkingCopy<U> | IStoredFileWorkingCopy<S>> {
		if (URI.isUri(arg1)) {
			return this.stored.resolve(arg1, arg2);
		}

		return this.untitled.resolve(arg1);
	}