docs: protected Map<String, String> initMapping() {
  		final Map<String, String> map = new TreeMap<>();
  		if (!this.converterReader.initializeConversions(map, this.context) && this.initializer != null) {
  			this.initializer.initializeConversions((simpleName, source, target) -> {
  				map.put(source,  target);
  			});
  		}
  		return map;
  	}