toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = new Map<String, dynamic>();
data['size'] = this.size;
data['intervalString'] = this.intervalString;
data['immutable'] = this.immutable;
data['3D'] = this.b3D;
data['dimension'] = this.dimension;
data['empty'] = this.empty;
return data;
}