my ($class, $conf, $opt) = @_;
my $partial_fast_plug_option = $class->get_partial_fast_plug_option();
+ return 0 if !$partial_fast_plug_option->{$opt};
+
my $format = $partial_fast_plug_option->{$opt}->{fmt};
my $fast_pluggable = $partial_fast_plug_option->{$opt}->{properties};