Google.JarResolver.PlayServicesSupport.FindCandidate C# (CSharp) Méthode

        internal Dependency FindCandidate(Dependency dep)
        {
            foreach(string repo in repositoryPaths.Keys)
            {
                string repoPath;
                if (repo.StartsWith("$SDK")) {
                    if (SDK == null || SDK.Length == 0)
                    {
                        throw new ResolutionException(AndroidSdkConfigurationError);
                    }
                    repoPath = repo.Replace("$SDK",SDK);
                }
                else {
                    repoPath = repo;
                }
                if (Directory.Exists(repoPath))
                {
                    Dependency d = FindCandidate(repoPath, dep);
                    if (d != null)
                    {
                        return d;
                    }
                }
                else
                {
                    Log("Repo not found: " + Path.GetFullPath(repoPath));
                }
            }
            Log("ERROR: Unable to find dependency " + dep.Group + " " + dep.Artifact + " " +
                dep.Version + " in (" +
                String.Join(", ", new List<string>(repositoryPaths.Keys).ToArray()) + ")");
            return null;
        }