Imports golang.org/x/oauth2 golang.org/x/oauth2/clientcredentials github.com/patrickmn/go-cache github.com/dapr/components-contrib/middleware github.com/dapr/components-contrib/metadata github.com/dapr/kit/logger github.com/dapr/kit/metadata Standard library imports context crypto/sha256 encoding/hex fmt net/http net/url reflect strings time