* @return true if the keyPath is in the prefetchingKeyPaths option
*/
protected boolean isKeyPathRequested(String keyPath) {
if (_prefetchingKeyPaths == null) {
NSMutableSet<String> prefetchingKeyPaths = new NSMutableSet<String>();
NSKeyValueCoding options = options();
if (options != null) {
String prefetchingKeyPathsStr = (String) options.valueForKey("prefetchingKeyPaths");
if (prefetchingKeyPathsStr != null) {
for (String prefetchingKeyPath : prefetchingKeyPathsStr.split(",")) {
prefetchingKeyPaths.addObject(prefetchingKeyPath);
}
}