import ifcopenshell

def filter_elements(ifc_file, query):
    """
    Filters elements from the IFC file based on the provided query.

    Args:
        ifc_file (ifcopenshell.file): The IFC file object.
        query (dict): The query to filter elements by, such as {'ifc_class': 'IfcWall'}.

    Returns:
        list: A list of filtered elements.
    """
    filtered_elements = []
    for element in ifc_file.by_type(query.get('ifc_class', 'IfcElement')):
        # Additional filtering criteria can go here
        filtered_elements.append(element)
    return filtered_elements