question: return true for valid port numbers . concode_field_sep Pattern BRACKET_PATTERN concode_elem_sep int port concode_elem_sep int NO_PORT concode_elem_sep String host concode_field_sep HostAddress withDefaultPort concode_elem_sep HostAddress fromUri concode_elem_sep boolean hasPort concode_elem_sep int getPort concode_elem_sep String getHostText concode_elem_sep HostAddress fromParts concode_elem_sep InetAddress toInetAddress concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep HostAddress fromString concode_elem_sep int getPortOrDefault
target: boolean function ( int arg0 ) { return arg0 >= 0 && arg0 <= 65535 ; }