if ($pspec->get_name eq 'collapsed_box_height') {
    return $self->{collapsed_box_height};
} elsif ($pspec->get_name eq 'collapsed_box_width') {
    return $self->{collapsed_box_width};
} elsif ($pspec->get_name eq 'full_box_height') {
    return $self->{full_box_height};
} elsif ($pspec->get_name eq 'full_box_width') {
    return $self->{full_box_width};
} elsif ($pspec->get_name eq 'insets') {
    return $self->{insets};
} elsif ($pspec->get_name eq 'domdocument') {
    return $self->{domdocument};
} elsif ($pspec->get_name eq 'matrix') {
    return $self->{matrix};
} elsif ($pspec->get_name eq 'max_hori_distance') {
    return $self->{max_hori_distance};
} elsif ($pspec->get_name eq 'max_vert_distance') {
    return $self->{max_vert_distance};
}