Step.fromJson constructor
      
      Step.fromJson(
    
    
- Map json_
Implementation
Step.fromJson(core.Map json_)
    : this(
        routine: json_.containsKey('routine')
            ? json_['routine'] as core.String
            : null,
        step: json_.containsKey('step') ? json_['step'] as core.String : null,
      );