public Reference getClaimReference() throws FHIRException { 
      if (!(this.claim instanceof Reference))
        throw new FHIRException("Type mismatch: the type Reference was expected, but "+this.claim.getClass().getName()+" was encountered");
      return (Reference) this.claim;
    }
public Reference getClaimReference ( ) throws FHIRException { if ( ! ( this . claim instanceof Reference ) ) throw new FHIRException ( "Type mismatch: the type Reference was expected, but " + this . claim . getClass ( ) . getName ( ) + " was encountered" ) ; return ( Reference ) this . claim ; }
@return {@link #claim} (The business identifier for the instance: invoice number, claim number, pre-determination or pre-authorization number.)