- from typing import Optional
 - 
 - from pydantic import BaseModel, Field, NonNegativeInt, PositiveInt
 - 
 - 
 - class TencentVectorDBConfig(BaseModel):
 -     """
 -     Tencent Vector configs
 -     """
 - 
 -     TENCENT_VECTOR_DB_URL: Optional[str] = Field(
 -         description='Tencent Vector URL',
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_API_KEY: Optional[str] = Field(
 -         description='Tencent Vector API key',
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_TIMEOUT: PositiveInt = Field(
 -         description='Tencent Vector timeout in seconds',
 -         default=30,
 -     )
 - 
 -     TENCENT_VECTOR_DB_USERNAME: Optional[str] = Field(
 -         description='Tencent Vector username',
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_PASSWORD: Optional[str] = Field(
 -         description='Tencent Vector password',
 -         default=None,
 -     )
 - 
 -     TENCENT_VECTOR_DB_SHARD: PositiveInt = Field(
 -         description='Tencent Vector sharding number',
 -         default=1,
 -     )
 - 
 -     TENCENT_VECTOR_DB_REPLICAS: NonNegativeInt = Field(
 -         description='Tencent Vector replicas',
 -         default=2,
 -     )
 - 
 -     TENCENT_VECTOR_DB_DATABASE: Optional[str] = Field(
 -         description='Tencent Vector Database',
 -         default=None,
 -     )
 
 
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