Imports k8s.io/client-go/dynamic knative.dev/pkg/apis/duck/v1alpha1 k8s.io/api/core/v1 k8s.io/apimachinery/pkg/apis/meta/v1 k8s.io/apimachinery/pkg/util/validation knative.dev/pkg/apis knative.dev/pkg/apis/duck Standard library imports bufio context fmt io net/url os regexp strings sync