--- a/Lib/IMPL/Config/ActivationContext.pm	Fri Aug 28 19:54:53 2015 +0300
+++ b/Lib/IMPL/Config/ActivationContext.pm	Mon Aug 31 10:23:42 2015 +0300
@@ -1,5 +1,51 @@
 package IMPL::Config::ActivationContext;
 
+use IMPL::Const qw(:prop);
+use IMPL::Exception();
+use IMPL::declare {
+	require => {
+		PropertyBag => 'IMPL::Config::ServicesBag'
+	},
+	base => {
+		'IMPL::Object' => '@_'
+	},
+	props => {
+		_services => PROP_RW,
+		_cache => PROP_RW,
+		_stack => PROP_RW
+	}
+};
+
+sub GetService {
+	my ($this,$serviceId) = @_;
+	
+	$this->_services->
+}
+
+sub EnterScope {
+	my ($this, $name, $localize) = @_;
+	
+	my $info = { name => $name };
+	
+	if ($localize) {
+		$info->{services} = $this->_services;
+		
+		$this->_services(PropertyBag->new($this->_services));
+	}
+	
+	$this->_stack->Push($info);
+}
+
+sub LeaveScope {
+	my ($this) = @_;
+	
+	my $info = $this->_stack->Pop()
+		or die IMPL::InvalidOperationException();
+	
+	if ($info->{services})	
+		$this->_services($info->{services});
+}
+
 1;
 __END__