--- a/lib/IMPL/Config/ActivationContext.pm	Sat Feb 25 22:35:26 2017 +0300
+++ b/lib/IMPL/Config/ActivationContext.pm	Sun Jul 16 22:59:39 2017 +0300
@@ -4,95 +4,95 @@
 use IMPL::Const qw(:prop);
 use IMPL::Exception();
 use IMPL::declare {
-	require => {
-		Bag                      => 'IMPL::Config::ServicesBag',
-		ServiceNotFoundException => 'IMPL::Config::ServiceNotFoundException',
-	},
-	base => {
-		'IMPL::Object' => '@_'
-	},
-	props => [
-		container => PROP_RW,
-		instances => PROP_RW,
-		_services => PROP_RW,
-		_stack    => PROP_RW
-	]
+    require => {
+        Bag                      => 'IMPL::Config::ServicesBag',
+        ServiceNotFoundException => 'IMPL::Config::ServiceNotFoundException',
+    },
+    base => {
+        'IMPL::Object' => '@_'
+    },
+    props => [
+        container => PROP_RW,
+        instances => PROP_RW,
+        _services => PROP_RW,
+        _stack    => PROP_RW
+    ]
 };
 
 sub CTOR {
-	my ( $this, $container ) = @_;
+    my ( $this, $container ) = @_;
 
-	$this->container($container)
-	  or die IMPL::InvalidArgumentException->new('container');
-	$this->_services( $container->services );
-	$this->instances( {} );
-	$this->_stack( [] );
+    $this->container($container)
+      or die IMPL::InvalidArgumentException->new('container');
+    $this->_services( $container->services );
+    $this->instances( {} );
+    $this->_stack( [] );
 }
 
 sub EnterScope {
-	my ( $this, $name, $services ) = @_;
+    my ( $this, $name, $services ) = @_;
 
-	my $info = { name => $name };
+    my $info = { name => $name };
 
-	if ($services) {
-		die IMPL::InvalidArgumentException->new(
-			services => 'An array is required' )
-		  unless isarray($services);
+    if ($services) {
+        die IMPL::InvalidArgumentException->new(
+            services => 'An array is required' )
+          unless isarray($services);
 
-		my $bag = $this->container->serviceCache->{ ref($services) };
+        my $bag = $this->container->serviceCache->{ ref($services) };
 
-		unless ($bag) {
-			my $container = $this->container;
-			$bag = Bag->new( $this->_services );
+        unless ($bag) {
+            my $container = $this->container;
+            $bag = Bag->new( $this->_services );
 
-			#
-			$bag->Register(
-				$container->GetLinearRoleHash( $_->{role}, $_->{descriptor} ) )
-			  foreach @$services;
+            #
+            $bag->Register(
+                $container->GetLinearRoleHash( $_->{role}, $_->{descriptor} ) )
+              foreach @$services;
 
-			$container->serviceCache->{ ref($services) } = $bag;
-		}
+            $container->serviceCache->{ ref($services) } = $bag;
+        }
 
-		$info->{services} = $this->_services;
-		$this->_services($bag);
-	}
+        $info->{services} = $this->_services;
+        $this->_services($bag);
+    }
 
-	push @{ $this->_stack }, $info;
+    push @{ $this->_stack }, $info;
 }
 
 sub LeaveScope {
-	my ($this) = @_;
+    my ($this) = @_;
 
-	my $info = pop @{ $this->_stack }
-	  or die IMPL::InvalidOperationException->new();
+    my $info = pop @{ $this->_stack }
+      or die IMPL::InvalidOperationException->new();
 
-	$this->_services( $info->{services} ) if $info->{services};
+    $this->_services( $info->{services} ) if $info->{services};
 }
 
 sub Resolve {
-	my ( $this, $role, %opts ) = @_;
+    my ( $this, $role, %opts ) = @_;
 
-	my $d = $this->_services->Resolve($role);
+    my $d = $this->_services->Resolve($role);
 
-	unless ($d) {
-		die ServiceNotFoundException->new($role) unless $opts{optional};
-		return $opts{default};
-	}
-	else {
-		return $d->Activate($this);
-	}
+    unless ($d) {
+        die ServiceNotFoundException->new($role) unless $opts{optional};
+        return $opts{default};
+    }
+    else {
+        return $d->Activate($this);
+    }
 }
 
 sub Clone {
-	my ($this) = @_;
+    my ($this) = @_;
 
-	my $clone = SELF->new( $this->container );
+    my $clone = SELF->new( $this->container );
 
-	$clone->_services( $this->_services );
-	$clone->instances( { %{ $this->instances } } );
-	$clone->_stack( [ @{ $this->_stack } ] );
+    $clone->_services( $this->_services );
+    $clone->instances( { %{ $this->instances } } );
+    $clone->_stack( [ @{ $this->_stack } ] );
 
-	return $clone;
+    return $clone;
 }
 
 1;