jwk_client.go
func NewJWKClient(options JWKClientOptions, extractor RequestTokenExtractor) *JWKClient {
	return NewJWKClientWithCache(options, extractor, nil)
}
func NewJWKClient(options JWKClientOptions, extractor RequestTokenExtractor) *JWKClient {
	return NewJWKClientWithCache(options, extractor, nil)
}
// NewJWKClient creates a new JWKClient instance from the
// provided options.