maybeWhen<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. {TResult message(
    1. String event,
    2. ParticipantId fromParticipantId,
    3. Map<String, dynamic> data
    )?,
  2. TResult chatMessage(
    1. ChatMessage message
    )?,
  3. TResult chatMessageReaction(
    1. ChatMessageReaction reaction
    )?,
  4. required TResult orElse(
      )}
    )
    inherited

    Implementation

    @optionalTypeArgs
    TResult maybeWhen<TResult extends Object?>({
      TResult Function(String event, ParticipantId fromParticipantId,
              Map<String, dynamic> data)?
          message,
      TResult Function(ChatMessage message)? chatMessage,
      TResult Function(ChatMessageReaction reaction)? chatMessageReaction,
      required TResult orElse(),
    }) =>
        throw _privateConstructorUsedError;