<?php declare(strict_types=1);

namespace PhpParser\Builder;

use PhpParser\BuilderHelpers;
use PhpParser\Node;

abstract class FunctionLike extends Declaration {
    protected bool $returnByRef = false;
    /** @var Node\Param[] */
    protected array $params = [];

    /** @var Node\Identifier|Node\Name|Node\ComplexType|null */
    protected ?Node $returnType = null;

    /**
     * Make the function return by reference.
     *
     * @return $this The builder instance (for fluid interface)
     */
    public function makeReturnByRef() {
        $this->returnByRef = true;

        return $this;
    }

    /**
     * Adds a parameter.
     *
     * @param Node\Param|Param $param The parameter to add
     *
     * @return $this The builder instance (for fluid interface)
     */
    public function addParam($param) {
        $param = BuilderHelpers::normalizeNode($param);

        if (!$param instanceof Node\Param) {
            throw new \LogicException(sprintf('Expected parameter node, got "%s"', $param->getType()));
        }

        $this->params[] = $param;

        return $this;
    }

    /**
     * Adds multiple parameters.
     *
     * @param (Node\Param|Param)[] $params The parameters to add
     *
     * @return $this The builder instance (for fluid interface)
     */
    public function addParams(array $params) {
        foreach ($params as $param) {
            $this->addParam($param);
        }

        return $this;
    }

    /**
     * Sets the return type for PHP 7.
     *
     * @param string|Node\Name|Node\Identifier|Node\ComplexType $type
     *
     * @return $this The builder instance (for fluid interface)
     */
    public function setReturnType($type) {
        $this->returnType = BuilderHelpers::normalizeType($type);

        return $this;
    }
}

• [F] Class_.php
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• [F] ClassConst.php
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• [F] Declaration.php
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• [F] Enum_.php
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• [F] EnumCase.php
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• [F] Function_.php
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• [F] FunctionLike.php
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• [F] Interface_.php
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• [F] Method.php
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• [F] Namespace_.php
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• [F] Param.php
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• [F] Property.php
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• [F] Trait_.php
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• [F] TraitUse.php
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• [F] TraitUseAdaptation.php
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• [F] Use_.php
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