<BUG>List<SshMachineLocation> machines = Lists.newArrayList();for (String host : hostAddresses) {</BUG><CONTEXT>throw new IllegalArgumentException("Invalid location '"+spec+"'; at least one host must be defined");}if (hostAddresses.isEmpty()) {throw new IllegalArgumentException("Invalid location '"+spec+"'; at least one host must be defined");}<extra_id_0>String userHere = user;String hostHere = host;if (host.contains("@")) {</CONTEXT>
List<MachineLocation> machines = Lists.newArrayList();for (String host : hostAddresses) {