from typing import Optional from pydantic import BaseModel, Field class VolcengineTOSStorageConfig(BaseModel): """ Configuration settings for Volcengine Tinder Object Storage (TOS) """ VOLCENGINE_TOS_BUCKET_NAME: Optional[str] = Field( description="Name of the Volcengine TOS bucket to store and retrieve objects (e.g., 'my-tos-bucket')", default=None, ) VOLCENGINE_TOS_ACCESS_KEY: Optional[str] = Field( description="Access Key ID for authenticating with Volcengine TOS", default=None, ) VOLCENGINE_TOS_SECRET_KEY: Optional[str] = Field( description="Secret Access Key for authenticating with Volcengine TOS", default=None, ) VOLCENGINE_TOS_ENDPOINT: Optional[str] = Field( description="URL of the Volcengine TOS endpoint (e.g., 'https://tos-cn-beijing.volces.com')", default=None, ) VOLCENGINE_TOS_REGION: Optional[str] = Field( description="Volcengine region where the TOS bucket is located (e.g., 'cn-beijing')", default=None, )