}

    @Override
    public void incrementDeleted() {
        deleted++;
        updateProgress();
    }

    @Override
    public void incrementSkipped() {
        incrementSkipped(1);
    }

    @Override
    public void incrementSkipped(long amount) {
        skipped += amount;
        updateProgress();
    }

    public long getDeleted() {
        return deleted;
    }

                    LOGGER.error("Failed to process/clean up version-specific cache directory: {}", cacheDir.getDir(), e);
                }
            } else {
                progressMonitor.incrementSkipped();
            }
        }
    }

    private void deleteCacheDir(File cacheDir) throws IOException {
        LOGGER.debug("Deleting version-specific cache directory at {}", cacheDir);