if check != nil {
		check.needsCleanup(a)
	}

	return a
}

// newAliasInstance creates a new alias instance for the given origin and type
// arguments, recording pos as the position of its synthetic object (for error
// reporting).
func (check *Checker) newAliasInstance(pos syntax.Pos, orig *Alias, targs []Type, ctxt *Context) *Alias {
	assert(len(targs) > 0)

	if err != nil {
		t.Fatalf("failed creating test service account: %v", err)
	}

	// create an audit context to allow recording audit information
	ctx = audit.WithAuditContext(ctx)
	_, err = storage.Token.Create(ctx, serviceAccount.Name, &authenticationapi.TokenRequest{
		ObjectMeta: metav1.ObjectMeta{
			Name:      serviceAccount.Name,

	if check != nil {
		check.needsCleanup(a)
	}

	return a
}

// newAliasInstance creates a new alias instance for the given origin and type
// arguments, recording pos as the position of its synthetic object (for error
// reporting).
func (check *Checker) newAliasInstance(pos token.Pos, orig *Alias, targs []Type, ctxt *Context) *Alias {
	assert(len(targs) > 0)

                // no need to persist the removal, but the set value should not be persisted too. A placeholder value
                // will keep the key mutated to avoid recording it as an input.
                mutatedSystemProperties[key] = SystemPropertyIgnored
            }
        }

        fun systemPropertiesCleared() {
            systemPropertiesCleared = true

}

func loadEventWithDuration(cache *testWatchCache, count int, interval time.Duration) {
	for i := 0; i < count; i++ {
		event := &watchCacheEvent{
			Key:        fmt.Sprintf("event-%d", i+cache.startIndex),
			RecordTime: cache.clock.Now().Add(time.Duration(interval.Nanoseconds() * int64(i))),
		}
		cache.cache[(i+cache.startIndex)%cache.capacity] = event
	}
	cache.endIndex = cache.startIndex + count
}

	offset := port - r.portRange.Base
	return true, offset
}

// Destroy shuts down internal allocator.
func (r *PortAllocator) Destroy() {
	r.alloc.Destroy()
}

// EnableMetrics enables metrics recording.
func (r *PortAllocator) EnableMetrics() {
	registerMetrics()
	r.metrics = &metricsRecorder{}
}

// calculateRangeOffset estimates the offset used on the range for statically allocation based on

	// Pointer to current package state.
	p *pstate
	// Counter mode.
	cm coverage.CounterMode
}

// pstate records package-level coverage data state:
// - a table of functions (file/fname/literal)
// - a map recording the index/ID of each func encountered so far
// - a table storing execution count for the coverable units in each func
type pstate struct {
	// slice of unique functions
	funcs []fnfile

	}()
	buildcfg.Experiment = *exp

	// By default, gotypesalias is not set.
	if gotypesalias != "" {
		conf.EnableAlias = gotypesalias != "0"
	}

	// Provide Config.Info with all maps so that info recording is tested.
	info := Info{
		Types:        make(map[syntax.Expr]TypeAndValue),
		Instances:    make(map[*syntax.Name]Instance),
		Defs:         make(map[*syntax.Name]Object),

	buildcfg.Experiment = *exp

	// By default, gotypesalias is not set.
	if gotypesalias != "" {
		t.Setenv("GODEBUG", "gotypesalias="+gotypesalias)
	}

	// Provide Config.Info with all maps so that info recording is tested.
	info := Info{
		Types:        make(map[ast.Expr]TypeAndValue),
		Instances:    make(map[*ast.Ident]Instance),
		Defs:         make(map[*ast.Ident]Object),
		Uses:         make(map[*ast.Ident]Object),

	// set (and don't store it!), so that we still compute the full
	// type set eventually. Instead, return the top type set and
	// let any follow-on errors play out.
	//
	// TODO(gri) Consider recording when this happens and reporting
	// it as an error (but only if there were no other errors so to
	// to not have unnecessary follow-on errors).
	if !ityp.complete {
		return &topTypeSet
	}