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diff --git a/installer/OpenSLX/OSSetup/Packager/Base.pm b/installer/OpenSLX/OSSetup/Packager/Base.pm
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+++ b/installer/OpenSLX/OSSetup/Packager/Base.pm
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+# Base.pm - provides empty base of the OpenSLX OSSetup::Packager API.
+#
+# (c) 2006 - OpenSLX.com
+#
+# Oliver Tappe <ot@openslx.com>
+#
+package OpenSLX::OSSetup::Packager::Base;
+
+use vars qw($VERSION);
+$VERSION = 1.01;		# API-version . implementation-version
+
+use strict;
+use Carp;
+
+################################################################################
+### interface methods
+################################################################################
+sub new
+{
+	confess "Creating OpenSLX::OSSetup::Packager::Base-objects directly makes no sense!";
+}
+
+sub initialize
+{
+	my $self = shift;
+	my $distro = shift;
+
+	$self->{'distro'} = $distro;
+}
+
+sub unpackPackages
+{
+}
+
+sub unpackPackages
+{
+}
+
+sub importTrustedPackageKeys
+{
+}
+
+sub installPrerequiredPackages
+{
+}
+
+sub installPackages
+{
+}
+
+1;
+################################################################################
+
+=pod
+
+=head1 NAME
+
+OpenSLX::OSSetup::Packager::Base - the base class for all OSSetup::Packagers
+
+=head1 SYNOPSIS
+
+  package OpenSLX::OSSetup::Packager::coolnewpkg;
+
+  use vars qw(@ISA $VERSION);
+  @ISA = ('OpenSLX::OSSetup::Packager::Base');
+  $VERSION = 1.01;
+
+  use coolnewpkg;
+
+  sub new
+  {
+      my $class = shift;
+      my $self = {};
+      return bless $self, $class;
+  }
+
+  # override all methods of OpenSLX::OSSetup::Packager::Base in order to
+  # implement the support for a new packager
+  ...
+
+I<The synopsis above outlines a class that implements a
+OSSetup::Packager for the (imaginary) packager B<coolnewpkg>>
+
+=cut