defaultRules property Null safety

Implementation

static List<SplitTimeRule> get defaultRules => [
      SplitTimeRule(from: 0, to: 10, step: 1000),
      SplitTimeRule(from: 10, to: 20, step: 750),
      SplitTimeRule(from: 20, to: 30, step: 500),
      SplitTimeRule(from: 30, to: 40, step: 100),
      SplitTimeRule(from: 40, to: 1000, step: 50),
    ];