func (f *FakeRecorder) Event(obj runtime.Object, eventtype, reason, message string) {
	f.generateEvent(obj, metav1.Now(), eventtype, reason, message)
}

// Eventf emits a fake formatted event to the fake recorder
func (f *FakeRecorder) Eventf(obj runtime.Object, eventtype, reason, messageFmt string, args ...interface{}) {
	f.Event(obj, eventtype, reason, fmt.Sprintf(messageFmt, args...))
}

	"REG",
	"FREG",
	"FCREG",
	"MREG",
	"WREG",
	"HI",
	"LO",
	"ZCON",
	"SCON",
	"UCON",
	"ADD0CON",
	"AND0CON",
	"ADDCON",
	"ANDCON",
	"LCON",
	"DCON",
	"SACON",
	"SECON",
	"LACON",
	"LECON",
	"DACON",
	"STCON",
	"SBRA",
	"LBRA",
	"SAUTO",
	"LAUTO",
	"SEXT",
	"LEXT",
	"ZOREG",
	"SOREG",
	"LOREG",
	"GOK",
	"ADDR",
	"TLS",
	"TEXTSIZE",
	"NCLASS",

	"NONE",
	"REG",
	"FREG",
	"FCSRREG",
	"FCCREG",
	"ZCON",
	"SCON",
	"UCON",
	"ADD0CON",
	"AND0CON",
	"ADDCON",
	"ANDCON",
	"LCON",
	"DCON",
	"SACON",
	"SECON",
	"LACON",
	"LECON",
	"DACON",
	"STCON",
	"SBRA",
	"LBRA",
	"SAUTO",
	"LAUTO",
	"SEXT",
	"LEXT",
	"ZOREG",
	"SOREG",
	"LOREG",
	"GOK",
	"ADDR",
	"TLS_LE",
	"TLS_IE",
	"GOTADDR",

		Parent: parentID,
		Type:   typ,
	}
}

// Region returns details about a RegionBegin or RegionEnd event.
//
// Panics if Kind != EventRegionBegin and Kind != EventRegionEnd.
func (e Event) Region() Region {
	if kind := e.Kind(); kind != EventRegionBegin && kind != EventRegionEnd {
		panic("Region called on non-Region event")
	}

      // map.
      InfoT info(region, *this);
      info_map_.insert({&region, std::move(info)});
    }

    return GetAnalysisForRegion(region);
  }

  // Returns the backtrack analysis for the given region if it exists.
  // If the region has not yet been analyzed, returns std::nullopt.
  std::optional<const InfoT*> GetAnalysisIfExists(Region& region) const {
    auto it = info_map_.find(&region);

	traceEvGoDestroySyscall    // goroutine ends in syscall (cgo callback) [timestamp]
	traceEvGoStop              // goroutine yields its time, but is runnable [timestamp, reason, stack ID]
	traceEvGoBlock             // goroutine blocks [timestamp, reason, stack ID]
	traceEvGoUnblock           // goroutine is unblocked [timestamp, goroutine ID, goroutine seq, stack ID]
	traceEvGoSyscallBegin      // syscall enter [timestamp, P seq, stack ID]

  auto& region = op->getRegion(region_idx);
  region.getArgument(0).replaceAllUsesWith(implicit_operand);
  region.front().eraseArguments(0, region.getNumArguments());
}

// Rewrites an `mhlo.if` op or its region. If `region_idx` is not set, the op
// operands and results are rewritten. If `region_idx` is set, region

		// label to override the locality, so respect that here as well.
		ls, f := proxy.Labels[model.LocalityLabel]
		if f {
			return util.ConvertLocality(ls)
		}
		return nil
	}
	return &core.Locality{
		Region:  region,
		Zone:    zone,
		SubZone: subzone,
	}
}

// initializeProxy completes the initialization of a proxy. It is expected to be called only after
// initProxyMetadata.

	4:   {lang: 0x1f, region: 0x9a},
	5:   {lang: 0x3a, region: 0x6c},
	7:   {lang: 0x3b, region: 0x9d},
	8:   {lang: 0x1d7, region: 0x28},
	9:   {lang: 0x13, region: 0x9d},
	10:  {lang: 0x5b, region: 0x96},
	11:  {lang: 0x60, region: 0x52},
	12:  {lang: 0xb9, region: 0xb5},
	13:  {lang: 0x63, region: 0x96},
	14:  {lang: 0xa5, region: 0x35},
	15:  {lang: 0x3e9, region: 0x9a},
	17:  {lang: 0x529, region: 0x12f},

		if ev := fx.WaitOrFail(t, "xds full"); !ev.Reason.Has(model.EndpointUpdate) {
			t.Fatalf("xds push reason does not contain %v: %v", model.EndpointUpdate, ev)
		}
		// headless service update must trigger nds push, so we trigger a full push.
		if ev := fx.WaitOrFail(t, "xds full"); !ev.Reason.Has(model.HeadlessEndpointUpdate) {
			t.Fatalf("xds push reason does not contain %v: %v", model.HeadlessEndpointUpdate, ev)
		}