@Deprecated
    public ObservationDefinition addObservationRequirementTarget() { 
      ObservationDefinition r = new ObservationDefinition();
      if (this.observationRequirementTarget == null)
        this.observationRequirementTarget = new ArrayList<ObservationDefinition>();
      this.observationRequirementTarget.add(r);
      return r;
    }
@ Deprecated public ObservationDefinition addObservationRequirementTarget ( ) { ObservationDefinition r = new ObservationDefinition ( ) ; if ( this . observationRequirementTarget == null ) this . observationRequirementTarget = new ArrayList < ObservationDefinition > ( ) ; this . observationRequirementTarget . add ( r ) ; return r ; }
@deprecated Use Reference#setResource(IBaseResource) instead