from typing import List


def group_blp_lane_segments(start_lane_seg_idx: int, lane_seg_num: int) -> List[List[int]]:
    """
    Collect lane segment indices across lane/lane connector baseline path.
    :param start_lane_seg_idx: Index for first lane segment in baseline path.
    :param lane_seg_num: Number of lane segments.
    :return obj_groupings: Data recording lane-segment indices associated with given lane/lane connector.
    """
    obj_grouping: List[int] = []

    for lane_seg_idx in range(start_lane_seg_idx, start_lane_seg_idx + lane_seg_num):
        obj_grouping.append(lane_seg_idx)

    return [obj_grouping]