src/Models/MandrillConfig.php
public static function getConfigSchema()
    {
        $schema = parent::getConfigSchema();
        $out = [];
        foreach ($schema as $key => $field) {
            if ($field['name'] === 'key' || $field['name'] === 'parameters') {
                $out[] = $schema[$key];
            }
        }

        return $out;
    }
public static function getConfigSchema()
    {
        $schema = parent::getConfigSchema();
        $out = [];
        foreach ($schema as $key => $field) {
            if ($field['name'] === 'key' || $field['name'] === 'parameters') {
                $out[] = $schema[$key];
            }
        }

        return $out;
    }
{@inheritdoc}