@Override
			public void onPostApply(@Nonnull Workspace workspace, @Nonnull MappingResults mappingResults) {
				Unchecked.checkedForEach(listeners, listener -> listener.onPostApply(workspace, mappingResults),
						(listener, t) -> logger.error("Exception thrown after applying mappings", t));
			}
@return Application listener encompassing all the current items in {@link #mappingApplicationListeners},
or {@code null} if there are no listeners.
recaf-core/src/main/java/software/coley/recaf/services/mapping/MappingListeners.java