question: transform this call to an websocket url . concode_field_sep java.util.Random rand concode_field_sep String path concode_elem_sep String fragment concode_elem_sep String method concode_elem_sep Call withFragment concode_elem_sep Call unique concode_elem_sep String absoluteURL concode_elem_sep String absoluteURL concode_elem_sep String absoluteURL concode_elem_sep String uniquify concode_elem_sep String toString concode_elem_sep String appendFragment concode_elem_sep String url
target: String function ( Http . Request arg0 ) { return webSocketURL ( arg0 . secure ( ) , arg0 . host ( ) ) ; }