@@ -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 |
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228 | - * @param null $rateType |
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229 | - * @param null $sourceName |
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227 | + * @param \DateTime $date |
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228 | + * @param string $rateType |
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229 | + * @param string $sourceName |
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230 | 230 | * @return string |
231 | 231 | */ |
232 | 232 | protected function getRateKey($currencyCode = null, $date = null, $rateType = null, $sourceName = null) |