def METHOD_NAME(self, node_type: str, node_lc_type: str) -> Type[Vertex]:
    """Returns the node class based on the node type."""
    if node_type in FILE_TOOLS:
        return FileToolVertex
    if node_type in lazy_load_vertex_dict.VERTEX_TYPE_MAP:
        return lazy_load_vertex_dict.VERTEX_TYPE_MAP[node_type]
    return (
        lazy_load_vertex_dict.VERTEX_TYPE_MAP[node_lc_type]
        if node_lc_type in lazy_load_vertex_dict.VERTEX_TYPE_MAP
        else Vertex
    )