@@ -224,9 +224,9 @@ |
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| 224 | 224 | * Builds rate key to speed up search. |
| 225 | 225 | * |
| 226 | 226 | * @param null $currencyCode |
| 227 | - * @param null $date |
|
| 228 | - * @param null $rateType |
|
| 229 | - * @param null $sourceName |
|
| 227 | + * @param \DateTime $date |
|
| 228 | + * @param string $rateType |
|
| 229 | + * @param string $sourceName |
|
| 230 | 230 | * @return string |
| 231 | 231 | */ |
| 232 | 232 | protected function getRateKey($currencyCode = null, $date = null, $rateType = null, $sourceName = null) |