| class  | CheckerModule | This class is a module that launch checkers. | 
| class  | CopyInputDataModule | Copy input files of a format in another location or in different compression
 format. | 
| class  | CopyOutputDataModule | Copy output files of a step with a specified format to the output directory. | 
| class  | DesignModule | This class define a design module. | 
| class  | FailModule | This module is a module that always fails. | 
| class  | FakeModule | This module is a fake module. | 
| class  | FirstModule | This class define a first module that do nothing. | 
| class  | ImportModule | This class define a import step. | 
| class  | MergerModule | This class define a generic merger module. | 
| class  | SplitterModule | This class define a generic splitter module. | 
| class  | TechnicalReplicateMergerModule | This class define a merger module for technical replicates. | 
| class  | TerminalModule | This class define a terminal task that do nothing. |