'EXPORT_VARIABLE_LIST' => join(' ', @{ $self->{export}->{variable_list} }),
'EXPORT_NEXTSUB' => $self->{export}->{nextsub},
'DATA_PRESENT' => $self->{data_present},
'EXPORT_VARIABLE_LIST' => join(' ', @{ $self->{export}->{variable_list} }),
'EXPORT_NEXTSUB' => $self->{export}->{nextsub},
'DATA_PRESENT' => $self->{data_present},