instance = $instance; } /** * Initializes a new activity timestamps Builder object. */ public static function init(): self { return new self(new ActivityTimestamps()); } /** * Sets create time field. */ public function createTime(?string $value): self { $this->instance->setCreateTime($value); return $this; } /** * Sets update time field. */ public function updateTime(?string $value): self { $this->instance->setUpdateTime($value); return $this; } /** * Initializes a new activity timestamps object. */ public function build(): ActivityTimestamps { return CoreHelper::clone($this->instance); } }