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diff --git a/vendor/doctrine/collections/lib/Doctrine/Common/Collections/Expr/Comparison.php b/vendor/doctrine/collections/lib/Doctrine/Common/Collections/Expr/Comparison.php
new file mode 100644
index 000000000..d54ecf25c
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+++ b/vendor/doctrine/collections/lib/Doctrine/Common/Collections/Expr/Comparison.php
@@ -0,0 +1,103 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Collections\Expr;
+
+/**
+ * Comparison of a field with a value by the given operator.
+ *
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @since  2.3
+ */
+class Comparison implements Expression
+{
+    const EQ        = '=';
+    const NEQ       = '<>';
+    const LT        = '<';
+    const LTE       = '<=';
+    const GT        = '>';
+    const GTE       = '>=';
+    const IS        = '='; // no difference with EQ
+    const IN        = 'IN';
+    const NIN       = 'NIN';
+    const CONTAINS  = 'CONTAINS';
+
+    /**
+     * @var string
+     */
+    private $field;
+
+    /**
+     * @var string
+     */
+    private $op;
+
+    /**
+     * @var Value
+     */
+    private $value;
+
+    /**
+     * @param string $field
+     * @param string $operator
+     * @param mixed  $value
+     */
+    public function __construct($field, $operator, $value)
+    {
+        if ( ! ($value instanceof Value)) {
+            $value = new Value($value);
+        }
+
+        $this->field = $field;
+        $this->op = $operator;
+        $this->value = $value;
+    }
+
+    /**
+     * @return string
+     */
+    public function getField()
+    {
+        return $this->field;
+    }
+
+    /**
+     * @return Value
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /**
+     * @return string
+     */
+    public function getOperator()
+    {
+        return $this->op;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function visit(ExpressionVisitor $visitor)
+    {
+        return $visitor->walkComparison($this);
+    }
+}