returns the address of the proxy server . concode_field_sep String protocol concode_elem_sep SocketAddress destinationAddress concode_elem_sep String strVal concode_elem_sep String authScheme concode_elem_sep SocketAddress proxyAddress concode_field_sep String protocol concode_elem_sep T destinationAddress concode_elem_sep String toString concode_elem_sep String authScheme
T function ( ) { return ( T ) proxyAddress ; }