Garden\Schema::dumpSpec PHP Method

    public function dumpSpec()
    {
        $schema = $this->schema;
        if (is_array($schema)) {
            foreach ($schema as &$parameter) {
                if (!is_array($parameter) || !$parameter['type']) {
                    unset($parameter);
                    continue;
                }
                // Massage schema's types into their Open API v2 counterparts, including potential formatting flags.
                // string, boolean and array pass through without adjustment.
                switch ($parameter['type']) {
                    case 'object':
                        $parameter['type'] = 'array';
                        break;
                    case 'timestamp':
                        $parameter['type'] = 'integer';
                        break;
                    case 'float':
                        $parameter['type'] = 'number';
                        $parameter['format'] = 'float';
                        break;
                    case 'base64':
                        $parameter['type'] = 'string';
                        $parameter['format'] = 'byte';
                        break;
                    case 'datetime':
                        $parameter['type'] = 'string';
                        $parameter['format'] = 'dateTime';
                        break;
                    default:
                        $parameter['type'] = 'string';
                }
            }
        } else {
            $schema = [];
        }
        $spec = ['description' => $this->description, 'parameters' => $schema];
        return $spec;
    }