Contest constructor
      
      Contest({ 
    
    
- String? ballotPlacement,
- String? ballotTitle,
- List<Candidate> ? candidates,
- ElectoralDistrict? district,
- String? electorateSpecifications,
- List<String> ? level,
- String? numberElected,
- String? numberVotingFor,
- String? office,
- List<String> ? primaryParties,
- List<String> ? referendumBallotResponses,
- String? referendumBrief,
- String? referendumConStatement,
- String? referendumEffectOfAbstain,
- String? referendumPassageThreshold,
- String? referendumProStatement,
- String? referendumSubtitle,
- String? referendumText,
- String? referendumTitle,
- String? referendumUrl,
- List<String> ? roles,
- List<Source> ? sources,
- String? special,
- String? type,
Implementation
Contest({
  this.ballotPlacement,
  this.ballotTitle,
  this.candidates,
  this.district,
  this.electorateSpecifications,
  this.level,
  this.numberElected,
  this.numberVotingFor,
  this.office,
  this.primaryParties,
  this.referendumBallotResponses,
  this.referendumBrief,
  this.referendumConStatement,
  this.referendumEffectOfAbstain,
  this.referendumPassageThreshold,
  this.referendumProStatement,
  this.referendumSubtitle,
  this.referendumText,
  this.referendumTitle,
  this.referendumUrl,
  this.roles,
  this.sources,
  this.special,
  this.type,
});