docs: public TypeSignature getTypeSignature(Type type) {
  		FullTypeSignature typeSignature = getFullTypeSignature(type);
  		if (typeSignature != null) {
  			return typeSignature;
  		}
  		if (type instanceof WildcardType) {
  			return getTypeArgSignature((WildcardType) type);
  		}
  		return null;
  	}