public EffectEvidenceSynthesis setApprovalDate(Date value) { 
      if (value == null)
        this.approvalDate = null;
      else {
        if (this.approvalDate == null)
          this.approvalDate = new DateType();
        this.approvalDate.setValue(value);
      }
      return this;
    }
public EffectEvidenceSynthesis setApprovalDate ( Date value ) { if ( value == null ) this . approvalDate = null ; else { if ( this . approvalDate == null ) this . approvalDate = new DateType ( ) ; this . approvalDate . setValue ( value ) ; } return this ; }
@param value The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.