Takes a collection object (or a filepath to collection object), returns
    each element of the `decisions` list that has the decision set to included.

def collection_to_included_trees(collection):
    """Takes a collection object (or a filepath to collection object), returns
    each element of the `decisions` list that has the decision set to included.
    """
    if is_str_type(collection):
        collection = read_as_json(collection)
    inc = []
    for d in collection.get('decisions', []):
        if d['decision'] == 'INCLUDED':
            inc.append(d)
    return inc