Elastica\Type\Mapping::setProperties PHP Method

    public function setProperties(array $properties)
    {
        return $this->setParam('properties', $properties);
    }

 /**
  * @return \Elastica\Type\Mapping
  */
 public function getElasticaMapping()
 {
     $mapping = new Mapping();
     $mapping->setProperties($this->getElasticaFields());
     $mapping->setParam('date_detection', false);
     return $mapping;
 }