iface.embeddeds = old.embeddeds
				assert(old.complete) // otherwise we are copying incomplete data
				iface.complete = old.complete
				iface.implicit = old.implicit // should be false but be conservative
				underlying = iface
			}
			iface.methods = methods
			iface.tset = nil // recompute type set with new methods

			// If check != nil, check.newInterface will have saved the interface for later completion.

	constraint := tparam.Constraint()
	if constraint == nil {
		return nil, fmt.Errorf("%s has nil constraint", tparam)
	}
	iface, _ := constraint.Underlying().(*types.Interface)
	if iface == nil {
		return nil, fmt.Errorf("constraint is %T, not *types.Interface", constraint.Underlying())
	}
	return InterfaceTermSet(iface)
}

// InterfaceTermSet computes the normalized terms for a constraint interface,

        file("api/src/main/java/org/gradle/FooException.java") << """
package org.gradle;

class FooException extends Exception { }
        """

        file("client/src/main/java/org/gradle/Iface.java") << """
package org.gradle;

interface Iface {
    /**
     * Method Description.
     *
     * @throws FooException whenever
     * @throws IllegalArgumentException otherwise
     */

				iface.embeddeds = old.embeddeds
				assert(old.complete) // otherwise we are copying incomplete data
				iface.complete = old.complete
				iface.implicit = old.implicit // should be false but be conservative
				underlying = iface
			}
			iface.methods = methods
			iface.tset = nil // recompute type set with new methods

			// If check != nil, check.newInterface will have saved the interface for later completion.

// for interface methods to def.
func canReuse(def *types.Named, rhs types.Type) bool {
	if def == nil {
		return true
	}
	iface, _ := rhs.(*types.Interface)
	if iface == nil {
		return true
	}
	// Don't use iface.Empty() here as iface may not be complete.
	return iface.NumEmbeddeds() == 0 && iface.NumExplicitMethods() == 0
}

type importReader struct {
	p          *iimporter
	declReader bytes.Reader

}

func (check *Checker) interfaceType(ityp *Interface, iface *syntax.InterfaceType, def *TypeName) {
	addEmbedded := func(pos syntax.Pos, typ Type) {
		ityp.embeddeds = append(ityp.embeddeds, typ)
		if ityp.embedPos == nil {
			ityp.embedPos = new([]syntax.Pos)
		}
		*ityp.embedPos = append(*ityp.embedPos, pos)
	}

	for _, f := range iface.MethodList {
		if f.Name == nil {

}

func (check *Checker) interfaceType(ityp *Interface, iface *ast.InterfaceType, def *TypeName) {
	addEmbedded := func(pos token.Pos, typ Type) {
		ityp.embeddeds = append(ityp.embeddeds, typ)
		if ityp.embedPos == nil {
			ityp.embedPos = new([]token.Pos)
		}
		*ityp.embedPos = append(*ityp.embedPos, pos)
	}

	for _, f := range iface.Methods.List {
		if len(f.Names) == 0 {

		InterfaceStats: criInterfaceToSummary(criNetwork.DefaultInterface),
		Interfaces:     make([]statsapi.InterfaceStats, 0, len(criNetwork.Interfaces)),
	}
	for _, iface := range criNetwork.Interfaces {
		iStats.Interfaces = append(iStats.Interfaces, criInterfaceToSummary(iface))
	}
	ps.Network = &iStats
}

func addCRIPodMemoryStats(ps *statsapi.PodStats, criPodStat *runtimeapi.PodSandboxStats) {

	pkg := mustTypecheck(src, nil, nil)

	// get original error.Error method
	eface := Universe.Lookup("error")
	orig, _, _ := LookupFieldOrMethod(eface.Type(), false, nil, "Error")
	if orig == nil {
		t.Fatalf("original error.Error not found")
	}

	// get embedded error.Error method
	iface := pkg.Scope().Lookup("I")
	embed, _, _ := LookupFieldOrMethod(iface.Type(), false, nil, "Error")
	if embed == nil {

// The gofrontend used to mishandle this code due to a pass ordering issue.
// It was inconsistent as to whether unsafe.Sizeof(byte(0)) was a constant,
// and therefore as to whether it was a direct-iface type.

package main

import "unsafe"

type A [unsafe.Sizeof(byte(0))]*byte

func (r A) V() byte {
	return *r[0]
}

func F() byte {
	panic("F") // should never be called
}