package ModuleName;
        use Exporter::VA qw/import AUTOLOAD VERSION/;

##</code><code>##

        our %EXPORT= ( # all configuration done in this one hash
                foo => [ v1.0, 'foo_old', v2.0, 'foo_new' ],
                bar => 'bar_internal',
                baz => 'baz',
                fobble => \&figure_it_out, # parameter list is (caller, version, symbol, param-list tail)
                bobble => \\&_boble_internal,
                $x => '$x',
                $y => \\$y,  # a hard reference rather than a name
                :tagname => [ 'foo', 'bar' ],
                :DEFAULT => [ v1.0, ':_old_imports', v2.3, ':_new_imports' ],
                :_old_imports => [ 'foo', 'bar', 'baz', 'fobble' ],
                :_new_imports => [ 'fobble' ],
                .option => "value",
                .default_VERSION => v1.5,
                .warnings => 1
        );

##</code><code>##

        use ModuleName;

##</code><code>##

        use ModuleName v2.1;

##</code><code>##

        use ModuleName v2.1 qw/ foo bar fobble $y/;

##</code><code>##

        my %Export= ( #...
        use Exporter::VA (\%Export, 'import');  # look ma, no package globals!

##</code><code>##

        use Exporter::VA ('import', {
                foo => \\&internal_foo,
                bar => \\&internal_bar
                } );  # put it all inline in this statement.

##</code><code>##

        %EXPORT= (
                &foo => "foo",  # & is optional for functions
                $bar => "$_internal_bar",
                baz => ""  # means "same".
                );

##</code><code>##

        foo => [ v1.0, 'foo_old', v2.0, 'foo_new' ]

##</code><code>##

        use ModuleName v1.78 ('foo');  # note no comma after v-string

##</code><code>##

        %EXPORT= (
                &foo => \&figure_it_out_later,
                $bar => sub { ... logic goes here ... },
                %fible => sub { \%internal_fible }
                );

##</code><code>##

        sub figure_it_out_later
         {
         my ($blessed_export_def, $caller, $version, $symbol, $param_list_tail)= @_;

##</code><code>##

        %fible => \\%internal_fible

##</code><code>##

	%EXPORT= (
		apple => ...
		banana => ...
		pear => ...
		potato => ...
		cheeze => ...
		:fruit => [ qw/apple banana pear/ ]
	);


##</code><code>##

        use ModuleName v1.78 qw/potato :fruit cheeze/;

##</code><code>##

        %EXPORT= (
                :list => [ v1.0, ':_old_list', v2.3, ':_new_list' ],
                :_old_list => [ 'foo', 'bar', 'baz', 'fobble' ],
                :_new_new => [ 'fobble' ]
        );

##</code><code>##

        use ModuleName v1.2 ':list';

##</code><code>##

        use ModuleName ':_old_list';

##</code><code>##

        use ModuleName v2.4 ':list';

##</code><code>##

        use ModuleName ':_new_list';

##</code><code>##

        %EXPORT= (
                foo => [ v1.0, 'foo_old', v2.0, 'foo_new' ],
                :DEFAULT => [ v1.0, ':_old_imports', v2.3, ':_new_imports' ],
                :_old_imports => [ 'foo', 'bar', 'baz', 'fobble' ],
                :_new_imports => [ 'fobble' ],
                # ... others ...

##</code><code>##

        %EXPORT= (
                -prag => \&callme,
                # ...

##</code><code>##

        use ModuleName v1.0 qw/ foo -prag bar/;

##</code><code>##

        %EXPORT= (
                -verbose => sub { my $caller= shift; $verbose{$caller}=1; }

##</code><code>##

                .allowed_VERSIONS => [
                        1.0, # initial relase
                        1.1, # minor fixes

##</code><code>##

        %EXPORT= (
                .&begin => sub {
                  my ($blessed_export_def, $caller, $version, $symbol, $param_list_tail)= @_;
                  #...

##</code><code>##

                .default_VERSION => v1.99,  # changed stuff with 2.0, must ask for new stuff.

##</code><code>##

        %EXPORT= (
                .plain => [qw/foo $x &zed],

##</code><code>##

        %EXPORT= (
                &foo => "",
                $x => "",
                &zed => "",

##</code><code>##

        %EXPORT= (
                .&unknown_import => sub {
                  my ($blessed_export_def, $caller, $version, $symbol, $param_list_tail)= @_;
                  #...

##</code><code>##

        %EXPORT= (
                .&unknown_type => sub {
                  my ($blessed_export_def, $caller, $version, $strange_import_param, $import_list_tail)= @_;
                  #...


##</code><code>##


If the import list contains something that is not a scalar, then it is passed to this callback.  The
thing in question is C<$strange_import_param>.

##</code><code>##

                .warnings => 0,

##</code><code>##

        foo => [ v1.0, 'foo_old', v2.0, 'foo_new' ],
        bar => 'bar_internal',
        fobble => \&figure_it_out,

##</code><code>##

        use ModuleName v1.5 qw(foo bar);

##</code><code>##

        sub import
         {
         my $caller= caller;
         my $export_def= bless find_export_def($caller,\@_), "Exporter::VA";
         my $version= get_pending_import_version();
         $export_def-> set_client_desired_version ($caller, $version);
         $export_def -> export ($caller, $version, \@_);
         }

##</code><code>##

        package Extend;
        use Exporter::VA ();
        @ISA= ('Exporter::VA');
        sub resolve { ... # override what I need to change here

##</code><code>##

        package ModuleName;
        use Exporter::VA qw/ -derived Extend  import AUTOLOAD /;
        %EXPORT= { ... #
        # proceed writing my module

##</code><code>##

        autoload_symbol ($blessed_export_def, $module, $symbol)

##</code><code>##

        $vstring= client_desired_version ($blessed_export_def, $caller)

##</code><code>##

        $ref= resolve ($blessed_export_def, $caller, $version, $item)

##</code><code>##

        package ModuleName;
        use Exporter::VA qw/-derived ExpEnhancement import AUTOLOAD/;