As of August 1, 2023, this name is no longer defined by a Web Platform specification
Definition
Direct Sockets API defines TCPServerSocket
[Exposed=(Window,Worker), SecureContext]
interface TCPServerSocket {
constructor(DOMString localAddress,
optional TCPServerSocketOptions options = {});
readonly attribute Promise<TCPServerSocketOpenInfo> opened;
readonly attribute Promise<undefined> closed;
Promise<undefined> close();
};