release the given port . concode_field_sep int basePort concode_elem_sep PortAllocator INSTANCE concode_elem_sep List<PortRange> ranges concode_elem_sep boolean[] allocated concode_elem_sep int BASE_PORT_INCREMENT concode_elem_sep ServerSocket serverSocket concode_elem_sep int BASE_PORT concode_field_sep boolean hasPort concode_elem_sep int allocatePort concode_elem_sep int allocatePort concode_elem_sep void release concode_elem_sep void setUp concode_elem_sep void tearDown