How to create a database link (dblink) using WALLET?

Hi everybody. Im want to create a database link using a wallet.

im want to create a dblink in my database 19c (client) whithou expecific de username and password in the sentences to my database 19c (server)

idon´t want this

create database link dblink_name connect to user identified by pwd using alias;

i want somelike this

create database link dblink_name connect to /@wallet_name using alias;

Someone help me?