toMap method
Implementation
Map<String, Color?> toMap() {
return {
"NL-DR": nlDR,
"NL-FL": nlFL,
"NL-FR": nlFR,
"NL-GE": nlGE,
"NL-GR": nlGR,
"NL-LI": nlLI,
"NL-NB": nlNB,
"NL-NH": nlNH,
"NL-OV": nlOV,
"NL-UT": nlUT,
"NL-ZE": nlZE,
"NL-ZH": nlZH,
};
}