docs: public String convert(String type) {
  		if (isImplicitSarlTypes() && type.startsWith(IMPLICIT_PACKAGE)) {
  			return type;
  		}
  		if (this.mapping == null) {
  			this.mapping = initMapping();
  		}
  		final String map = this.mapping.get(type);
  		if (map != null) {
  			if (map.isEmpty() && !isImplicitJvmTypes()) {
  				return null;
  			}
  			return map;
  		}
  		if (isImplicitJvmTypes()) {
  			return type;
  		}
  		return null;
  	}