Tencent vector DB Connection params.
See the following documentation for details: https://cloud.tencent.com/document/product/1709/95820
Attribute:
url (str) : The access address of the vector database server that the client needs to connect to. key (str): API key for client to access the vector database server, which is used for authentication. username (str) : Account for client to access the vector database server. timeout (int) : Request Timeout.