public void selectManufacturerSpecificCause (ManagementExtension val) {
this.manufacturerSpecificCause_ = val;
this.manufacturerSpecificCause_selected = true;
this.gsm0408Cause_selected = false;
this.gsm0902MapErrorValue_selected = false;
this.ccittQ767Cause_selected = false;
this.networkSpecificCause_selected = false;
}
public void Add(ManagementExtension item) {
this.Value.Add(item);
}