if (workingDir == null) {
                        return null;
                    }

                    inMemoryCache.putWorkingDirForSelector(repository, selector.getVersionConstraint(), workingDir);
                }
                return workingDir;
            }
        });
    }

        String cacheKey = constraintCacheKey(repository, constraint);
        return resolvedVersions.get(cacheKey);
    }

    public void putWorkingDirForSelector(VersionControlRepositoryConnection repository, VersionConstraint constraint, File workingDir) {
        String cacheKey = constraintCacheKey(repository, constraint);
        resolvedVersions.put(cacheKey, workingDir);
    }