if !o.TrackUnknownFieldPaths {
		return
	}
	l := len(o.ParentPath)
	o.AppendKey(field)
	o.UnknownFieldPaths = append(o.UnknownFieldPaths, strings.Join(o.ParentPath, ""))
	o.ParentPath = o.ParentPath[:l]
}

// AppendKey adds a key (i.e. field) to the current parent
// path, if TrackUnknownFieldPaths is true.
func (o *UnknownFieldPathOptions) AppendKey(key string) {
	if !o.TrackUnknownFieldPaths {
		return
	}

		for k, v := range x {
			if s.XEmbeddedResource && metaFields[k] {
				continue
			}
			prop, ok := s.Properties[k]
			if ok {
				opts.AppendKey(k)
				prune(v, &prop, opts)
				opts.ParentPath = opts.ParentPath[:origPathLen]
			} else if s.AdditionalProperties != nil {
				opts.AppendKey(k)
				prune(v, s.AdditionalProperties.Structural, opts)
				opts.ParentPath = opts.ParentPath[:origPathLen]
			} else {

						}
					}
				}
			}
			prop, ok := s.Properties[k]
			if ok {
				opts.AppendKey(k)
				if err := c.coerce(pth.Child(k), v, &prop, opts); err != nil {
					return err
				}
				opts.ParentPath = opts.ParentPath[:origPathLen]
			} else if s.AdditionalProperties != nil {
				opts.AppendKey(k)
				if err := c.coerce(pth.Key(k), v, s.AdditionalProperties.Structural, opts); err != nil {
					return err

		key := TimeKey
		val := r.Time.Round(0) // strip monotonic to match Attr behavior
		if rep == nil {
			state.appendKey(key)
			state.appendTime(val)
		} else {
			state.appendAttr(Time(key, val))
		}
	}
	// level
	key := LevelKey
	val := r.Level
	if rep == nil {
		state.appendKey(key)
		state.appendString(val.String())
	} else {
		state.appendAttr(Any(key, val))
	}
	// source