@Deprecated
    public List<ObservationDefinition> getObservationResultRequirementTarget() { 
      if (this.observationResultRequirementTarget == null)
        this.observationResultRequirementTarget = new ArrayList<ObservationDefinition>();
      return this.observationResultRequirementTarget;
    }
@ Deprecated public List < ObservationDefinition > getObservationResultRequirementTarget ( ) { if ( this . observationResultRequirementTarget == null ) this . observationResultRequirementTarget = new ArrayList < ObservationDefinition > ( ) ; return this . observationResultRequirementTarget ; }
@deprecated Use Reference#setResource(IBaseResource) instead