// to verify server support for specific options
type EndpointRestrictions interface {
	// AllowsMediaTypeTransform returns true if the endpoint allows either the requested mime type
	// or the requested transformation. If false, the caller should ignore this mime type. If the
	// target is nil, the client is not requesting a transformation.
	AllowsMediaTypeTransform(mimeType, mimeSubType string, target *schema.GroupVersionKind) bool

var DiscoveryEndpointRestrictions = discoveryEndpointRestrictions{}

type discoveryEndpointRestrictions struct{}

func (discoveryEndpointRestrictions) AllowsMediaTypeTransform(mimeType string, mimeSubType string, gvk *schema.GroupVersionKind) bool {
	return IsAggregatedDiscoveryGVK(gvk)
}

func (discoveryEndpointRestrictions) AllowsServerVersion(string) bool  { return false }

	}
	// Fall back to only allowing the singular Kind. This is the typical behavior.
	return gv == scope.Kind.GroupVersion()
}

func (scope *RequestScope) AllowsMediaTypeTransform(mimeType, mimeSubType string, gvk *schema.GroupVersionKind) bool {
	// some handlers like CRDs can't serve all the mime types that PartialObjectMetadata or Table can - if