toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (locationFilter != null) 'locationFilter': locationFilter!,
if (operatingStatus != null) 'operatingStatus': operatingStatus!,
if (priceLevels != null) 'priceLevels': priceLevels!,
if (ratingFilter != null) 'ratingFilter': ratingFilter!,
if (typeFilter != null) 'typeFilter': typeFilter!,
};