def get_raw_clusters_lane(total_sample_summary):
    """TODO: Docstring for get_raw_clusters_lane.

    Args:
        total_sample_summary (TODO): TODO

    Returns: TODO

    """
    raw_clusters_lane = dict(zip(total_sample_summary.keys(), [(0) for t in
        range(len(total_sample_summary.keys()))]))
    for lane, sample_summary in total_sample_summary.items():
        for sample, summary in sample_summary.items():
            raw_clusters_lane[lane] += summary['raw_clusters']
    return raw_clusters_lane
