protected PathMetadata createListAccessPath(Path<?> path, Integer index) {
        return PathMetadataFactory.forListAccess(path, index);
    }
{@code PropertyAccessInvocationHandler} is the main InvocationHandler class for the
CGLIB alias proxies

@author tiwe
querydsl-core/src/main/java/com/querydsl/core/alias/PropertyAccessInvocationHandler.java