| 1234567891011121314151617 | from ..schemas.base import TextToSpeechRequest, DataResponsefrom ..providers.speech_provider import SpeechProviderclass SpeechService:    def __init__(self, provider: SpeechProvider) -> None:        self._provider = provider    def text_to_speech(self, req: TextToSpeechRequest) -> DataResponse:        return self._provider.text_to_speech(            req.volume,            req.pitch,            req.rate,            req.filename,            req.text,            model=req.model,        )
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