@@ -265,7 +265,7 @@ |
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| 265 | 265 | } |
| 266 | 266 | |
| 267 | 267 | /** |
| 268 | - * @param null|string|DateTime $ts The "send date" datetime value. |
|
| 268 | + * @param string $ts The "send date" datetime value. |
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| 269 | 269 | * @throws InvalidArgumentException If the ts is not a valid datetime value. |
| 270 | 270 | * @return self |
| 271 | 271 | */ |