sub new
{
    my ($class) = @_;
    
    #my ($proto) = @_;
    #to make the constructor both class and object method
    #my $class = ref($proto) || $proto;
    
    my $self = {
        #attributes of object
        _id                 => undef,
        _user_scenario      => undef,
        _result_type        => undef,
        _result_log_link    => undef,
        _not_exposed_reason => undef,
        _error_excerpt      => undef,
        _triage             => undef,
    };
    
    bless $self, $class;
    return  $self;
}