overlay/overlay.go
func (p SetInspectModeParams) WithHighlightConfig(highlightConfig *HighlightConfig) *SetInspectModeParams {
	p.HighlightConfig = highlightConfig
	return &p
}
func (p SetInspectModeParams) WithHighlightConfig(highlightConfig *HighlightConfig) *SetInspectModeParams {
	p.HighlightConfig = highlightConfig
	return &p
}
// WithHighlightConfig a descriptor for the highlight appearance of
// hovered-over nodes. May be omitted if enabled == false.