Laravel version update

Laravel version update

vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 namespace PhpParser\Node\Expr;
 
@@ -12,19 +12,29 @@ abstract class BinaryOp extends Expr
     public $right;
 
     /**
-     * Constructs a bitwise and node.
+     * Constructs a binary operator node.
      *
      * @param Expr  $left       The left hand side expression
      * @param Expr  $right      The right hand side expression
      * @param array $attributes Additional attributes
      */
-    public function __construct(Expr $left, Expr $right, array $attributes = array()) {
+    public function __construct(Expr $left, Expr $right, array $attributes = []) {
         parent::__construct($attributes);
         $this->left = $left;
         $this->right = $right;
     }
 
-    public function getSubNodeNames() {
-        return array('left', 'right');
+    public function getSubNodeNames() : array {
+        return ['left', 'right'];
     }
+
+    /**
+     * Get the operator sigil for this binary operation.
+     *
+     * In the case there are multiple possible sigils for an operator, this method does not
+     * necessarily return the one used in the parsed code.
+     *
+     * @return string
+     */
+    abstract public function getOperatorSigil() : string;
 }