return 1 << nIndexListExpr
	case *ast.InterfaceType:
		return 1 << nInterfaceType
	case *ast.KeyValueExpr:
		return 1 << nKeyValueExpr
	case *ast.LabeledStmt:
		return 1 << nLabeledStmt
	case *ast.MapType:
		return 1 << nMapType
	case *ast.Package:
		return 1 << nPackage
	case *ast.ParenExpr:
		return 1 << nParenExpr
	case *ast.RangeStmt:
		return 1 << nRangeStmt
	case *ast.ReturnStmt:

  // node matched by this selector. The RuntimeClass nodeSelector is merged
  // with a pod's existing nodeSelector. Any conflicts will cause the pod to
  // be rejected in admission.
  // +optional
  // +mapType=atomic
  map<string, string> nodeSelector = 1;

  // tolerations are appended (excluding duplicates) to pods running with this
  // RuntimeClass during admission, effectively unioning the set of nodes

	// node matched by this selector. The RuntimeClass nodeSelector is merged
	// with a pod's existing nodeSelector. Any conflicts will cause the pod to
	// be rejected in admission.
	// +optional
	// +mapType=atomic
	NodeSelector map[string]string `json:"nodeSelector,omitempty" protobuf:"bytes,1,opt,name=nodeSelector"`

	// tolerations are appended (excluding duplicates) to pods running with this

	// node matched by this selector. The RuntimeClass nodeSelector is merged
	// with a pod's existing nodeSelector. Any conflicts will cause the pod to
	// be rejected in admission.
	// +optional
	// +mapType=atomic
	NodeSelector map[string]string `json:"nodeSelector,omitempty" protobuf:"bytes,1,opt,name=nodeSelector"`

	// tolerations are appended (excluding duplicates) to pods running with this

	case *ast.InterfaceType:
		if len(t.Methods.List) != 0 {
			log.Fatal("non-empty interfaces unsupported")
		}
		return "types.Types[types.TINTER]"
	case *ast.MapType:
		return fmt.Sprintf("types.NewMap(%s, %s)", i.subtype(t.Key), i.subtype(t.Value))
	case *ast.StarExpr:
		return fmt.Sprintf("types.NewPtr(%s)", i.subtype(t.X))
	case *ast.StructType:

			w.node(n.Name)
		}
		w.node(n.Type)

	case *InterfaceType:
		w.fieldList(n.MethodList)

	case *FuncType:
		w.fieldList(n.ParamList)
		w.fieldList(n.ResultList)

	case *MapType:
		w.node(n.Key)
		w.node(n.Value)

	case *ChanType:
		w.node(n.Elem)

	// statements
	case *EmptyStmt: // nothing to do

	case *LabeledStmt:
		w.node(n.Label)
		w.node(n.Stmt)

			Walk(v, n.TypeParams)
		}
		if n.Params != nil {
			Walk(v, n.Params)
		}
		if n.Results != nil {
			Walk(v, n.Results)
		}

	case *InterfaceType:
		Walk(v, n.Methods)

	case *MapType:
		Walk(v, n.Key)
		Walk(v, n.Value)

	case *ChanType:
		Walk(v, n.Value)

	// Statements
	case *BadStmt:
		// nothing to do

	case *DeclStmt:
		Walk(v, n.Decl)

			cel.UnaryBinding(getEscapedPath))},
	"getQuery": {
		cel.MemberOverload("url_get_query", []*cel.Type{apiservercel.URLType},
			cel.MapType(cel.StringType, cel.ListType(cel.StringType)),
			cel.UnaryBinding(getQuery))},
	"isURL": {
		cel.Overload("is_url_string", []*cel.Type{cel.StringType}, cel.BoolType,
			cel.UnaryBinding(isURL))},
}

	InterfaceType struct {
		MethodList []*Field
		expr
	}

	FuncType struct {
		ParamList  []*Field
		ResultList []*Field
		expr
	}

	// map[Key]Value
	MapType struct {
		Key, Value Expr
		expr
	}

	//   chan Elem
	// <-chan Elem
	// chan<- Elem
	ChanType struct {
		Dir  ChanDir // 0 means no direction
		Elem Expr
		expr
	}
)

		r.filterParamList(t.TypeParams)
		r.filterParamList(t.Params)
		r.filterParamList(t.Results)
	case *ast.InterfaceType:
		if r.filterFieldList(parent, t.Methods, t) {
			t.Incomplete = true
		}
	case *ast.MapType:
		r.filterType(nil, t.Key)
		r.filterType(nil, t.Value)
	case *ast.ChanType:
		r.filterType(nil, t.Value)
	}
}

func (r *reader) filterSpec(spec ast.Spec) bool {
	switch s := spec.(type) {