func (h *HeatmapDefinition) GetTitleSize() string {
	if h == nil || h.TitleSize == nil {
		return ""
	}
	return *h.TitleSize
}
func (h *HeatmapDefinition) GetTitleSize() string {
	if h == nil || h.TitleSize == nil {
		return ""
	}
	return *h.TitleSize
}
// GetTitleSize returns the TitleSize field if non-nil, zero value otherwise.