class MeasurementSession {

	public String getHostName() {
		return hostName;
	}

	public  MeasurementSession(
			String applicationName,
			String hostName,
			String instanceName);
	@JsonCreator public  MeasurementSession(@JsonProperty("id") String id,
							  @JsonProperty("applicationName") String applicationName,
							  @JsonProperty("hostName") String hostName,
							  @JsonProperty("instanceName") String instanceName);

}