src/Model/Attribute/Accessor/Meta.php
public function getMeta(?string $property)
    {
        if (null === $property) {
            return $this->meta;
        }

        if (!array_key_exists($property, $this->meta)) {
            throw new OutOfRangeException('Array property does not exist.');
        }

        return $this->meta[$property];
    }
public function getMeta(?string $property)
    {
        if (null === $property) {
            return $this->meta;
        }

        if (!array_key_exists($property, $this->meta)) {
            throw new OutOfRangeException('Array property does not exist.');
        }

        return $this->meta[$property];
    }
Get meta

@param string $property
@return array
@throws \OutOfRangeException