Since 'abilities' is of type 'ImmutableMap', it cannot be added dynamically

[Aiden-777]

TelegramBots/telegrambots-abilities/src/main/java/org/telegram/abilitybots/api/bot/BaseAbilityBot.java

Lines 364 to 373 in f343d17

	abilities = Stream.concat(defaultAbsStream,
	extensions.stream()
	.flatMap(ext -> stream(ext.getClass().getMethods())
	.filter(checkReturnType(Ability.class))
	.map(returnAbility(ext))))
	// Abilities are immutable, build it respectively
	.collect(ImmutableMap::<String, Ability>builder,
	(b, a) -> b.put(a.name(), a),
	(b1, b2) -> b1.putAll(b2.build()))
	.build();

[Haarolean]

I guess it's on purpose. But the bigger question I have is why is this collected via reflection at all rather than implementing a method like Set<Ability> getAbilities in the BaseAbilityBot interface.