public void addDependentTasksChain(List<TaskDescriptor> dependentTasksChain) {
		if (this.dependentTasksChains == null){
			this.dependentTasksChains = new ArrayList<>();
		}
		this.dependentTasksChains.add(dependentTasksChain);
	}
public void addDependentTasksChain ( List < TaskDescriptor > dependentTasksChain ) { if ( this . dependentTasksChains == null ) { this . dependentTasksChains = new ArrayList < > ( ) ; } this . dependentTasksChains . add ( dependentTasksChain ) ; }
@param dependentTasksChain