@@ -112,7 +112,7 @@ |
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112 | 112 | /** |
113 | 113 | * Merges the output from amazon polly |
114 | 114 | * |
115 | - * @return mixed |
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115 | + * @return null|string |
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116 | 116 | */ |
117 | 117 | protected function mergeOutputs(array $results) |
118 | 118 | { |