ApiResponses responseAnnotation = method.getAnnotation(ApiResponses.class);
String responseContainer = null;
Type responseClass = null;
Map<String, Property> defaultResponseHeaders = new HashMap<>();
Api parentApi = (Api) readClass.getAnnotation(Api.class);
<BUG>String methodIdentifier = !apiOperation.nickname().isEmpty() ? apiOperation.nickname() :

parentApi.nickname()+""+method.getName().substring(0, 1).toUpperCase() + method.getName().substring(1);
</BUG>
if (apiOperation != null) {

ApiResponses responseAnnotation = method.getAnnotation(ApiResponses.class);
String responseContainer = null;
Type responseClass = null;
Map<String, Property> defaultResponseHeaders = new HashMap<>();
Api parentApi = (Api) readClass.getAnnotation(Api.class);
String nickname = !apiOperation.nickname().isEmpty() ? apiOperation.nickname() : parentApi.nickname();
if (nickname.isEmpty()) {
nickname = method.getDeclaringClass().getName().replace(".", "_");
}
String methodIdentifier = nickname + "_" + method.getName().substring(0, 1).toUpperCase() + method.getName().substring(1);
if (apiOperation != null) {
