override object.clone to make the method public . this method simply calls super.clone , deferring to the default shallow cloning . some processorinstruction subclasses may need to override with custom safe or deep cloning . concode_field_sep PlaceHolder placeHolder concode_field_sep PlanNode getDescriptionProperties concode_elem_sep void process
ProgramInstruction function ( ) { try { return ( ProgramInstruction ) super . clone ( ) ; } catch ( CloneNotSupportedException loc0 ) { } return null ; }