This package was created to have a scheme that has the internal cert-manager types, and their conversion functions as well as the List object type registered, which is needed for ctl command like `convert` or `create certificaterequest`.

Package metrics contains global structures related to metrics collection cert-manager exposes the following metrics: certificate_expiration_timestamp_seconds{name, namespace} certificate_ready_status{name, namespace, condition} acme_client_request_count{"scheme", "host", "path", "method", "status"} acme_client_request_duration_seconds{"scheme", "host", "path", "method", "status"} controller_sync_call_count{"controller"}.