try {
                ObjectInputStream objInputStream = new ObjectInputStream(new BufferedInputStream(inputStream));
                classes.clear();
                classes.putAll((Map<String, T>) objInputStream.readObject());
            } finally {
                inputStream.close();
            }
        } catch (Exception e) {
            throw new GradleException(String.format("Could not load meta-data from %s.", repoFile), e);