/*
Copyright 2021 The cert-manager Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package rootca

// Interface provide the root PEM encoded X.509 Certificate Authority
// certificates of the trust domain. Consumers can subscribe to events to when
// the root certificates change.
type Interface interface {
	// CertificatesPEM returns the current PEM encoded X.509 Certificate
	// Authority certificates for the trust domain.
	CertificatesPEM() []byte

	// Subscribe returns a channel which will receive messages when the trust
	// domain root certificates change.
	Subscribe() <-chan struct{}
}
