public static YAMLKeyValue findKey(YAMLKeyValue currentYAMLKeyValue, String keyName) {
// not a key-value with more child
YAMLCompoundValue yamlCompoundValues[] = PsiTreeUtil.getChildrenOfType(currentYAMLKeyValue, YAMLCompoundValue.class);
if(yamlCompoundValues == null) {
return null;
}
// work