src/Description.php
public function get($descriptorKey): DescriptorInterface
    {
        if (!isset($this->descriptors[$descriptorKey])) {
            throw new \InvalidArgumentException(sprintf(
                'Descriptor "%s" is not supported',
                $descriptorKey,
                implode('", "', array_keys($this->descriptors))
            ));
        }

        return $this->descriptors[$descriptorKey];
    }
public function get($descriptorKey): DescriptorInterface
    {
        if (!isset($this->descriptors[$descriptorKey])) {
            throw new \InvalidArgumentException(sprintf(
                'Descriptor "%s" is not supported',
                $descriptorKey,
                implode('", "', array_keys($this->descriptors))
            ));
        }

        return $this->descriptors[$descriptorKey];
    }
{@inheritdoc}