from __future__ import annotations

from abc import ABC, abstractmethod
from pathlib import Path


class TTSEngine(ABC):
    name: str

    @abstractmethod
    def synthesize(
        self,
        text: str,
        ref_audio: Path,
        ref_text: str,
        out_path: Path,
    ) -> Path:
        """단일 텍스트 청크를 WAV로 생성."""