sticky = $sticky; return $this; } /** * Is the acknowledgement sticky? * * @return bool */ public function getSticky(): bool { return $this->sticky; } /** * Set whether to send a notification about the acknowledgement * * @param bool $notify * * @return $this */ public function setNotify(bool $notify = true): self { $this->notify = $notify; return $this; } /** * Get whether to send a notification about the acknowledgement * * @return bool */ public function getNotify(): bool { return $this->notify; } /** * Set whether the comment associated with the acknowledgement is persistent * * @param bool $persistent * * @return $this */ public function setPersistent(bool $persistent = true): self { $this->persistent = $persistent; return $this; } /** * Is the comment associated with the acknowledgement is persistent? * * @return bool */ public function getPersistent(): bool { return $this->persistent; } /** * Set the time when the acknowledgement should expire * * @param int $expireTime * * @return $this */ public function setExpireTime(int $expireTime): self { $this->expireTime = $expireTime; return $this; } /** * Get the time when the acknowledgement should expire * * @return ?int */ public function getExpireTime() { return $this->expireTime; } }