maybeMap<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult maybeMap<TResult extends Object?>(
  1. {TResult undo(
    1. GenericEventUndo value
    )?,
  2. TResult readyNextRound(
    1. _GenericReadyNextRoundEvent value
    )?,
  3. TResult message(
    1. GameMessage value
    )?,
  4. required TResult orElse(
      )}
    )
    @optionalTypeArgs, inherited

    Implementation

    @optionalTypeArgs
    TResult maybeMap<TResult extends Object?>({
      TResult Function(GenericEventUndo value)? undo,
      TResult Function(_GenericReadyNextRoundEvent value)? readyNextRound,
      TResult Function(GameMessage value)? message,
      required TResult orElse(),
    }) =>
        throw _privateConstructorUsedError;