Neomerx\JsonApi\Contracts\Schema\SchemaProviderInterface::getRelationshipsInclusionMeta PHP Method

    public function getRelationshipsInclusionMeta($resource);

 /**
  * @inheritdoc
  */
 public function getRelationshipsInclusionMeta()
 {
     if ($this->isRelIncMetaSet === false) {
         $this->relInclusionMeta = $this->schema->getRelationshipsInclusionMeta($this->resource);
         $this->isRelIncMetaSet = true;
     }
     return $this->relInclusionMeta;
 }