A Unix Domain Socket (UDS) server. A Unix Domain Socket (UDS) server. Listens to connections on a socket path and returns a [StreamPeerUDS] when it gets an incoming connection. Unix Domain Sockets provide inter-process communication on the same machine using the filesystem namespace. [b]Note:[/b] Unix Domain Sockets are only available on Unix-like systems (Linux, macOS, etc.) and are not supported on Windows. Listens on the socket at [param path]. The socket file will be created at the specified path. [b]Note:[/b] The socket file must not already exist at the specified path. You may need to remove any existing socket file before calling this method. If a connection is available, returns a StreamPeerUDS with the connection.