@GwtIncompatible
  public Class<V> valueType() {
    return valueTypeOrObjectUnderJ2cl;
  }

  @Override
  K checkKey(K key) {
    return checkNotNull(key);
  }

  @Override
  V checkValue(V value) {
    return checkNotNull(value);
  }

  /**
   * @serialData the key class, value class, number of entries, first key, first value, second key,
   *     second value, and so on.
   */

)

var (
	// DefaultValidations maps a data path to a validation function.
	DefaultValidations = map[string]ValidatorFunc{
		"Values": func(path util.Path, i any) util.Errors {
			return CheckValues(i)
		},
		"MeshConfig":                 validateMeshConfig,
		"Hub":                        validateHub,
		"Tag":                        validateTag,
		"Revision":                   validateRevision,

			return f2
		}
		orig := n.X
		tt := n.X.Type()
		types.CalcSize(tt)
		rcvr := f2.Type.Recv().Type
		if !types.Identical(rcvr, tt) {
			if rcvr.IsPtr() && types.Identical(rcvr.Elem(), tt) {
				checklvalue(n.X, "call pointer method on")
				addr := NodAddr(n.X)
				addr.SetImplicit(true)
				n.X = typecheck(addr, ctxType|ctxExpr)