src/vs/workbench/services/workingCopy/common/workingCopyFileService.ts/WorkingCopyFileService/createFolder
class WorkingCopyFileService:	createFolder(operations: ICreateOperation[], token: CancellationToken, undoInfo?: IFileOperationUndoRedoInfo): Promise<IFileStatWithMetadata[]> {
		return this.doCreateFileOrFolder(operations, false, token, undoInfo);
	}