src/Document/ResourceObject.php
public function withType(string $type): self
    {
        if (empty($type)) {
            throw new \InvalidArgumentException('Expecting a non-empty string.');
        }

        $copy = clone $this;
        $copy->type = $type;
        $copy->normalize();

        return $copy;
    }
public function withType(string $type): self
    {
        if (empty($type)) {
            throw new \InvalidArgumentException('Expecting a non-empty string.');
        }

        $copy = clone $this;
        $copy->type = $type;
        $copy->normalize();

        return $copy;
    }
Return a new instance with the specified type.

@param string $type
@return ResourceObject