| 1234567891011121314151617181920212223242526272829 | from typing import Optionalfrom pydantic import BaseModel, Fieldclass HuaweiCloudOBSStorageConfig(BaseModel):    """    Configuration settings for Huawei Cloud Object Storage Service (OBS)    """    HUAWEI_OBS_BUCKET_NAME: Optional[str] = Field(        description="Name of the Huawei Cloud OBS bucket to store and retrieve objects (e.g., 'my-obs-bucket')",        default=None,    )    HUAWEI_OBS_ACCESS_KEY: Optional[str] = Field(        description="Access Key ID for authenticating with Huawei Cloud OBS",        default=None,    )    HUAWEI_OBS_SECRET_KEY: Optional[str] = Field(        description="Secret Access Key for authenticating with Huawei Cloud OBS",        default=None,    )    HUAWEI_OBS_SERVER: Optional[str] = Field(        description="Endpoint URL for Huawei Cloud OBS (e.g., 'https://obs.cn-north-4.myhuaweicloud.com')",        default=None,    )
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