in detectors/resources-support/src/main/java/com/google/cloud/opentelemetry/detection/GCPMetadataConfig.java [111:117]
String getMachineType() {
String machineType = getAttribute("instance/machine-type");
if (machineType != null && machineType.contains("/")) {
machineType = machineType.substring(machineType.lastIndexOf('/') + 1);
}
return machineType;
}