log("()");
log(".delete()");
log(".get("+key+")"); return key;
log(".isValid()"); return true;
log("iterator()"); return null;
log(".load()");
if (debug) System.out.println(this+msg);
log(".put("+key+", "+value+")"); saved = false;
log(".save()"); saved = true;
return "MockCache@" + hashCode();