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: reasons.go
    path of file: ./repos/corteza/server/vendor/github.com/pquerna/cachecontrol/cacheobject
    
    the code of the file until where you have to start completion: /**
 *  Copyright 2015 Paul Querna
 *
 *  Licensed under the Apache License, 
    
func (r Reason) String() string {
	switch r {
	case ReasonRequestMethodPOST:
		return "ReasonRequestMethodPOST"
	case ReasonRequestMethodPUT:
		return "ReasonRequestMethodPUT"
	case ReasonRequestMethodDELETE:
		return "ReasonRequestMethodDELETE"
	case ReasonRequestMethodCONNECT:
		return "ReasonRequestMethodCONNECT"
	case ReasonRequestMethodOPTIONS:
		return "ReasonRequestMethodOPTIONS"
	case ReasonRequestMethodTRACE:
		return "ReasonRequestMethodTRACE"
	case ReasonRequestMethodUnkown:
		return "ReasonRequestMethodUnkown"
	case ReasonRequestNoStore:
		return "ReasonRequestNoStore"
	case ReasonRequestAuthorizationHeader:
		return "ReasonRequestAuthorizationHeader"
	case ReasonResponseNoStore:
		return "ReasonResponseNoStore"
	case ReasonResponsePrivate:
		return "ReasonResponsePrivate"
	case ReasonResponseUncachableByDefault:
		return "ReasonResponseUncachableByDefault"
	}

	panic(r)
}