"""DB config."""

from sqlalchemy import URL, Engine


class DBConfig:
    """Database connection configuration."""

    database: str

    def get_engine(self) -> Engine:
        """Get SQLAlchemy engine."""
        ...

    def get_url(self) -> URL:
        """Get a connection URL."""
        ...

    def get_vendor(self) -> str:
        """Get database vendor."""
        ...

    def __repr__(self) -> str:
        """Get a string representation."""
        raise TypeError('Method not implemented')