// is only valid if the (first) result is false. The check parameter may be nil
// if assignableTo is invoked through an exported API call, i.e., when all
// methods have been type-checked.
func (x *operand) assignableTo(check *Checker, T Type, cause *string) (bool, Code) {
	if x.mode == invalid || !isValid(T) {
		return true, 0 // avoid spurious errors
	}

	origT := T
	V := Unalias(x.typ)
	T = Unalias(T)

// from the incoming type.
//
// If expanding is non-nil, it is the instance type currently being expanded.
// One of expanding or ctxt must be non-nil.
func (check *Checker) subst(pos syntax.Pos, typ Type, smap substMap, expanding *Named, ctxt *Context) Type {
	assert(expanding != nil || ctxt != nil)

	if smap.empty() {
		return typ
	}

	// common cases
	switch t := typ.(type) {

// is only valid if the (first) result is false. The check parameter may be nil
// if assignableTo is invoked through an exported API call, i.e., when all
// methods have been type-checked.
func (x *operand) assignableTo(check *Checker, T Type, cause *string) (bool, Code) {
	if x.mode == invalid || !isValid(T) {
		return true, 0 // avoid spurious errors
	}

	origT := T
	V := Unalias(x.typ)
	T = Unalias(T)

// from the incoming type.
//
// If expanding is non-nil, it is the instance type currently being expanded.
// One of expanding or ctxt must be non-nil.
func (check *Checker) subst(pos token.Pos, typ Type, smap substMap, expanding *Named, ctxt *Context) Type {
	assert(expanding != nil || ctxt != nil)

	if smap.empty() {
		return typ
	}

	// common cases
	switch t := typ.(type) {

				if istiodCert, err := s.getIstiodCertificate(nil); istiodCert == nil || err != nil {
					t.Errorf("Istiod failed to generate new DNS cert")
				}
			} else {
				if len(c.expCert) != 0 {
					if !checkCert(t, s, c.expCert, c.expKey) {
						t.Errorf("Istiod certificate does not match the expectation")
					}
				} else {
					if _, err := s.getIstiodCertificate(nil); err == nil {

import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * CompactHashSet is an implementation of a Set. All optional operations (adding and removing) are
 * supported. The elements can be any objects.
 *

import java.util.NoSuchElementException;
import java.util.Set;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.function.Consumer;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * CompactHashSet is an implementation of a Set. All optional operations (adding and removing) are
 * supported. The elements can be any objects.
 *

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.ForOverride;
import java.io.Serializable;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A strategy for determining whether two instances are considered equivalent, and for computing

// type parameter. Otherwise the result is nil. Errors are reported through the err parameter.
// Note: infer may fail (return nil) due to invalid args operands without reporting additional errors.
func (check *Checker) infer(pos syntax.Pos, tparams []*TypeParam, targs []Type, params *Tuple, args []*operand, reverse bool, err *error_) (inferred []Type) {
	// Don't verify result conditions if there's no error handler installed:

// type parameter. Otherwise the result is nil. Errors are reported through the err parameter.
// Note: infer may fail (return nil) due to invalid args operands without reporting additional errors.
func (check *Checker) infer(posn positioner, tparams []*TypeParam, targs []Type, params *Tuple, args []*operand, reverse bool, err *error_) (inferred []Type) {
	// Don't verify result conditions if there's no error handler installed: