in geronimo-openapi-impl/src/main/java/org/apache/geronimo/microprofile/openapi/impl/processor/SchemaProcessor.java [272:278]
private Type unwrapType(final Type rawModel) {
if (ParameterizedType.class.isInstance(rawModel) &&
Stream.of(ParameterizedType.class.cast(rawModel).getActualTypeArguments()).allMatch(WildcardType.class::isInstance)) {
return ParameterizedType.class.cast(rawModel).getRawType();
}
return rawModel;
}