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diff --git a/src/main/python/venv/Lib/site-packages/pylint/interfaces.py b/src/main/python/venv/Lib/site-packages/pylint/interfaces.py
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+# -*- coding: utf-8 -*-
+# Copyright (c) 2009-2010, 2012-2013 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
+# Copyright (c) 2013-2014 Google, Inc.
+# Copyright (c) 2014 Michal Nowikowski <godfryd@gmail.com>
+# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
+# Copyright (c) 2015-2017 Claudiu Popa <pcmanticore@gmail.com>
+# Copyright (c) 2015 Florian Bruhin <me@the-compiler.org>
+# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
+# Copyright (c) 2018 ssolanki <sushobhitsolanki@gmail.com>
+# Copyright (c) 2018 Ville Skyttä <ville.skytta@upcloud.com>
+
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
+
+"""Interfaces for Pylint objects"""
+from collections import namedtuple
+
+Confidence = namedtuple("Confidence", ["name", "description"])
+# Warning Certainties
+HIGH = Confidence("HIGH", "No false positive possible.")
+INFERENCE = Confidence("INFERENCE", "Warning based on inference result.")
+INFERENCE_FAILURE = Confidence(
+    "INFERENCE_FAILURE", "Warning based on inference with failures."
+)
+UNDEFINED = Confidence("UNDEFINED", "Warning without any associated confidence level.")
+
+CONFIDENCE_LEVELS = [HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED]
+
+
+class Interface:
+    """Base class for interfaces."""
+
+    @classmethod
+    def is_implemented_by(cls, instance):
+        return implements(instance, cls)
+
+
+def implements(obj, interface):
+    """Return true if the give object (maybe an instance or class) implements
+    the interface.
+    """
+    kimplements = getattr(obj, "__implements__", ())
+    if not isinstance(kimplements, (list, tuple)):
+        kimplements = (kimplements,)
+    for implementedinterface in kimplements:
+        if issubclass(implementedinterface, interface):
+            return True
+    return False
+
+
+class IChecker(Interface):
+    """This is a base interface, not designed to be used elsewhere than for
+    sub interfaces definition.
+    """
+
+    def open(self):
+        """called before visiting project (i.e set of modules)"""
+
+    def close(self):
+        """called after visiting project (i.e set of modules)"""
+
+
+class IRawChecker(IChecker):
+    """interface for checker which need to parse the raw file
+    """
+
+    def process_module(self, astroid):
+        """ process a module
+
+        the module's content is accessible via astroid.stream
+        """
+
+
+class ITokenChecker(IChecker):
+    """Interface for checkers that need access to the token list."""
+
+    def process_tokens(self, tokens):
+        """Process a module.
+
+        tokens is a list of all source code tokens in the file.
+        """
+
+
+class IAstroidChecker(IChecker):
+    """ interface for checker which prefers receive events according to
+    statement type
+    """
+
+
+class IReporter(Interface):
+    """ reporter collect messages and display results encapsulated in a layout
+    """
+
+    def handle_message(self, msg):
+        """Handle the given message object."""
+
+    def display_reports(self, layout):
+        """display results encapsulated in the layout tree
+        """
+
+
+__all__ = ("IRawChecker", "IAstroidChecker", "ITokenChecker", "IReporter")