dateStart; } public function setDateStart(?\DateTimeInterface $dateStart): self { $this->dateStart = $dateStart; return $this; } public function getDateEnd(): ?\DateTimeInterface { return $this->dateEnd; } public function setDateEnd(?\DateTimeInterface $dateEnd): self { $this->dateEnd = $dateEnd; return $this; } public function getPermanent(): ?bool { return $this->permanent; } public function setPermanent(bool $permanent): self { $this->permanent = $permanent; return $this; } }