GitHub Access Token became invalid

It seems like the GitHub access token used for retrieving details about this repository from GitHub became invalid. This might prevent certain types of inspections from being run (in particular, everything related to pull requests).
Please ask an admin of your repository to re-new the access token on this website.

Code Duplication    Length = 9-9 lines in 2 locations

Set.php 2 locations

@@ 98-106 (lines=9) @@
95
    /**
96
     * {@inheritdoc}
97
     */
98
    public function intersect(SetInterface $set): SetInterface
99
    {
100
        $this->validate($set);
101
102
        $newSet = clone $this;
103
        $newSet->values = $this->values->intersect($set->values);
104
105
        return $newSet;
106
    }
107
108
    /**
109
     * {@inheritdoc}
@@ 154-162 (lines=9) @@
151
    /**
152
     * {@inheritdoc}
153
     */
154
    public function diff(SetInterface $set): SetInterface
155
    {
156
        $this->validate($set);
157
158
        $newSet = clone $this;
159
        $newSet->values = $this->values->diff($set->values);
160
161
        return $newSet;
162
    }
163
164
    /**
165
     * {@inheritdoc}