protected function resetMappingOptions()
    {
        $this->mappingOptions = new \stdClass();
        $this->mappingOptions->destructiveMapping = false;
        $this->mappingOptions->assignNonMappedColumns = true;
        $this->mappingOptions->fieldPrefix = '';
        $this->mappingOptions->throwOnEmptyId = false;
        $this->mappingOptions->mapUnmappedColumns = true;
    }