@Override
	public void incrementHistory(@Nonnull I info) {
		String key = info.getName();
		Stack<I> itemHistory = getHistory(key);
		if (itemHistory == null) {
			throw new IllegalStateException("Failed history increment, no prior history to build on for: " + key);
		}
		// logger.debug("Increment history: {} - {} states", EscapeUtil.escapeCommon(key), itemHistory.size());
		itemHistory.push(info);
	}
History contains a stack of prior states of items.
If an item has not been modified there is no entry in this map.

@return Map of historical states of items within this bundle.
recaf-core/src/main/java/software/coley/recaf/workspace/model/bundle/BasicBundle.java