Add Composer autoloading functions and PHPStan for testing

vendor/nikic/php-parser/lib/PhpParser/Builder/Param.php

@@ -0,0 +1,106 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Builder;
+
+use PhpParser;
+use PhpParser\BuilderHelpers;
+use PhpParser\Node;
+
+class Param implements PhpParser\Builder
+{
+    protected $name;
+
+    protected $default = null;
+
+    /** @var string|Node\Name|Node\NullableType|null */
+    protected $type = null;
+
+    protected $byRef = false;
+
+    protected $variadic = false;
+
+    /**
+     * Creates a parameter builder.
+     *
+     * @param string $name Name of the parameter
+     */
+    public function __construct(string $name) {
+        $this->name = $name;
+    }
+
+    /**
+     * Sets default value for the parameter.
+     *
+     * @param mixed $value Default value to use
+     *
+     * @return $this The builder instance (for fluid interface)
+     */
+    public function setDefault($value) {
+        $this->default = BuilderHelpers::normalizeValue($value);
+
+        return $this;
+    }
+
+    /**
+     * Sets type for the parameter.
+     *
+     * @param string|Node\Name|Node\NullableType $type Parameter type
+     *
+     * @return $this The builder instance (for fluid interface)
+     */
+    public function setType($type) {
+        $this->type = BuilderHelpers::normalizeType($type);
+        if ($this->type == 'void') {
+            throw new \LogicException('Parameter type cannot be void');
+        }
+
+        return $this;
+    }
+
+    /**
+     * Sets type for the parameter.
+     *
+     * @param string|Node\Name|Node\NullableType $type Parameter type
+     *
+     * @return $this The builder instance (for fluid interface)
+     *
+     * @deprecated Use setType() instead
+     */
+    public function setTypeHint($type) {
+        return $this->setType($type);
+    }
+
+    /**
+     * Make the parameter accept the value by reference.
+     *
+     * @return $this The builder instance (for fluid interface)
+     */
+    public function makeByRef() {
+        $this->byRef = true;
+
+        return $this;
+    }
+
+    /**
+     * Make the parameter variadic
+     *
+     * @return $this The builder instance (for fluid interface)
+     */
+    public function makeVariadic() {
+        $this->variadic = true;
+
+        return $this;
+    }
+
+    /**
+     * Returns the built parameter node.
+     *
+     * @return Node\Param The built parameter node
+     */
+    public function getNode() : Node {
+        return new Node\Param(
+            new Node\Expr\Variable($this->name),
+            $this->default, $this->type, $this->byRef, $this->variadic
+        );
+    }
+}