StepFunc typedef Null safety

StepFunc = Future Function(List params, Map namedParams, OguretsScenarioSession scenarioSession, ScenarioStatus scenarioStatus, StepStatus stepStatus)

Implementation

typedef Future StepFunc(
    List params,
    Map namedParams,
    OguretsScenarioSession scenarioSession,
    ScenarioStatus scenarioStatus,
    StepStatus stepStatus);