diff --git a/examples/advanced_usage/config_provider.py b/examples/advanced_usage/config_provider.py
index eb016f13..15060b88 100644
--- a/examples/advanced_usage/config_provider.py
+++ b/examples/advanced_usage/config_provider.py
@@ -1,6 +1,7 @@
 """Config provider examples."""
 
-import dependency_injector as di
+from dependency_injector import catalogs
+from dependency_injector import providers
 
 
 class ObjectA(object):
@@ -13,17 +14,17 @@ class ObjectA(object):
         self.timezone = timezone
 
 
-class Catalog(di.AbstractCatalog):
+class Catalog(catalogs.DeclarativeCatalog):
     """Catalog of providers."""
 
-    config = di.Config()
-    """:type: di.Config"""
+    config = providers.Config()
+    """:type: providers.Config"""
 
-    object_a = di.Factory(ObjectA,
-                          fee=config.FEE,
-                          price=config.PRICE,
-                          timezone=config.GLOBAL.TIMEZONE)
-    """:type: di.Provider -> ObjectA"""
+    object_a = providers.Factory(ObjectA,
+                                 fee=config.FEE,
+                                 price=config.PRICE,
+                                 timezone=config.GLOBAL.TIMEZONE)
+    """:type: providers.Provider -> ObjectA"""
 
 
 # Setting config value and making some tests.
diff --git a/examples/advanced_usage/inject_flask.py b/examples/advanced_usage/inject_flask.py
index 585edc8d..1b8580b4 100644
--- a/examples/advanced_usage/inject_flask.py
+++ b/examples/advanced_usage/inject_flask.py
@@ -1,22 +1,24 @@
-"""`@di.inject()` decorator and Flask view example."""
+"""`inject()` decorator and Flask view example."""
 
 import sqlite3
 import flask
-import dependency_injector as di
+
+from dependency_injector import providers
+from dependency_injector import injections
 
 
-database = di.Singleton(sqlite3.connect,
-                        ':memory:',
-                        timeout=30,
-                        detect_types=True,
-                        isolation_level='EXCLUSIVE')
+database = providers.Singleton(sqlite3.connect,
+                               ':memory:',
+                               timeout=30,
+                               detect_types=True,
+                               isolation_level='EXCLUSIVE')
 
 app = flask.Flask(__name__)
 
 
 @app.route('/')
-@di.inject(database)
-@di.inject(flask.request)
+@injections.inject(database)
+@injections.inject(flask.request)
 def hello(request, database):
     """Example Flask view."""
     print request
diff --git a/examples/advanced_usage/inject_flask_class_based.py b/examples/advanced_usage/inject_flask_class_based.py
index 3908ef41..a0c2d293 100644
--- a/examples/advanced_usage/inject_flask_class_based.py
+++ b/examples/advanced_usage/inject_flask_class_based.py
@@ -1,22 +1,24 @@
-"""`@di.inject()` decorator with classes example."""
+"""`inject()` decorator with classes example."""
 
 import sqlite3
 import flask
 import flask.views
-import dependency_injector as di
+
+from dependency_injector import providers
+from dependency_injector import injections
 
 
-database = di.Singleton(sqlite3.Connection,
-                        database=':memory:',
-                        timeout=30,
-                        detect_types=True,
-                        isolation_level='EXCLUSIVE')
+database = providers.Singleton(sqlite3.Connection,
+                               database=':memory:',
+                               timeout=30,
+                               detect_types=True,
+                               isolation_level='EXCLUSIVE')
 
 app = flask.Flask(__name__)
 
 
-@di.inject(database=database)
-@di.inject(some_setting=777)
+@injections.inject(database=database)
+@injections.inject(some_setting=777)
 class HelloView(flask.views.View):
     """Example flask class-based view."""
 
diff --git a/examples/advanced_usage/inject_simple.py b/examples/advanced_usage/inject_simple.py
index dce9c9fb..b3472e50 100644
--- a/examples/advanced_usage/inject_simple.py
+++ b/examples/advanced_usage/inject_simple.py
@@ -1,14 +1,15 @@
-"""`@di.inject()` decorator simple example."""
+"""`inject()` decorator simple example."""
 
-import dependency_injector as di
+from dependency_injector import providers
+from dependency_injector import injections
 
 
-dependency_injector_factory = di.Factory(object)
+dependency_injector_factory = providers.Factory(object)
 
 
 # Example of using `di.inject()` decorator keyword argument injections:
-@di.inject(new_object=dependency_injector_factory)
-@di.inject(some_setting=1334)
+@injections.inject(new_object=dependency_injector_factory)
+@injections.inject(some_setting=1334)
 def example_callback1(new_object, some_setting):
     """Example callback that does some asserts for input args."""
     assert isinstance(new_object, object)
@@ -16,7 +17,7 @@ def example_callback1(new_object, some_setting):
 
 
 # Example of using `di.inject()` decorator with positional argument injections:
-@di.inject(dependency_injector_factory, 1334)
+@injections.inject(dependency_injector_factory, 1334)
 def example_callback2(new_object, some_setting):
     """Example callback that does some asserts for input args."""
     assert isinstance(new_object, object)