returns the result of interpretting the object as an instance of ` balance account ' . this implementation returns null ; returning a non-null result will terminate the switch . concode_field_sep AccountingPackage modelPackage concode_field_sep T caseReportGroup concode_elem_sep T doSwitch concode_elem_sep T doSwitch concode_elem_sep T doSwitch concode_elem_sep T caseReport concode_elem_sep T caseAccountGroup concode_elem_sep T caseAccounting concode_elem_sep T caseAccount concode_elem_sep T casePLAccount concode_elem_sep T caseJournalGroup concode_elem_sep T caseVat concode_elem_sep T defaultCase concode_elem_sep T caseJournalStatement
T function ( BalanceAccount arg0 ) { return null ; }