@@ -107,7 +107,7 @@ |
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107 | 107 | /** |
108 | 108 | * Merges the output from amazon polly. |
109 | 109 | * |
110 | - * @return mixed |
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110 | + * @return null|string |
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111 | 111 | */ |
112 | 112 | protected function mergeOutputs(array $results) |
113 | 113 | { |