You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: error.go
    path of file: ./repos/kubernetes/staging/src/k8s.io/apimachinery/pkg/util/wait
    
    the code of the file until where you have to start completion: /*
Copyright 2023 The Kubernetes Authors.

Licensed under the 
    
func (e errInterrupted) Error() string {
	if e.cause == nil {
		// returns the same error message as historical behavior
		return "timed out waiting for the condition"
	}
	return e.cause.Error()
}