$fieldNames * * @return $this */ public function setOrderBy(array $fieldNames): static { $this->mapping['orderBy'] = $fieldNames; return $this; } /** @return $this */ public function setIndexBy(string $fieldName): static { $this->mapping['indexBy'] = $fieldName; return $this; } public function build(): ClassMetadataBuilder { $mapping = $this->mapping; if ($this->joinColumns) { $mapping['joinColumns'] = $this->joinColumns; } $cm = $this->builder->getClassMetadata(); $cm->mapOneToMany($mapping); return $this->builder; } }