maybeWhen<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. {TResult loading(
      )?,
    1. TResult refreshing(
      1. dynamic lastValue
      )?,
    2. TResult value(
      1. dynamic value
      )?,
    3. required TResult orElse(
        )}
      )
      @optionalTypeArgs, inherited

      Implementation

      @optionalTypeArgs
      TResult maybeWhen<TResult extends Object?>({
        TResult Function()? loading,
        TResult Function(T lastValue)? refreshing,
        TResult Function(T value)? value,
        required TResult orElse(),
      }) =>
          throw _privateConstructorUsedError;