- from pydantic import Field, NonNegativeInt, PositiveInt
 - from pydantic_settings import BaseSettings
 - 
 - 
 - class TencentVectorDBConfig(BaseSettings):
 -     """
 -     Configuration settings for Tencent Vector Database
 -     """
 - 
 -     TENCENT_VECTOR_DB_URL: str | None = Field(
 -         description="URL of the Tencent Vector Database service (e.g., 'https://vectordb.tencentcloudapi.com')",
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_API_KEY: str | None = Field(
 -         description="API key for authenticating with the Tencent Vector Database service",
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_TIMEOUT: PositiveInt = Field(
 -         description="Timeout in seconds for Tencent Vector Database operations (default is 30 seconds)",
 -         default=30,
 -     )
 - 
 -     TENCENT_VECTOR_DB_USERNAME: str | None = Field(
 -         description="Username for authenticating with the Tencent Vector Database (if required)",
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_PASSWORD: str | None = Field(
 -         description="Password for authenticating with the Tencent Vector Database (if required)",
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_SHARD: PositiveInt = Field(
 -         description="Number of shards for the Tencent Vector Database (default is 1)",
 -         default=1,
 -     )
 - 
 -     TENCENT_VECTOR_DB_REPLICAS: NonNegativeInt = Field(
 -         description="Number of replicas for the Tencent Vector Database (default is 2)",
 -         default=2,
 -     )
 - 
 -     TENCENT_VECTOR_DB_DATABASE: str | None = Field(
 -         description="Name of the specific Tencent Vector Database to connect to",
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_ENABLE_HYBRID_SEARCH: bool = Field(
 -         description="Enable hybrid search features",
 -         default=False,
 -     )
 
 
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