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    "memory_mode": "memmap",
    "internal_dtype": "float32",
    "mode": "sparse",
    "sparse_threshold": 1.5,
    "n_spike_for_centroid": 350,
    "n_jobs": -1,
    "signal_preprocessor_params": {
        "highpass_freq": 400.0,
        "lowpass_freq": 5000.0,
        "smooth_size": 0,
        "common_ref_removal": false,
        "lostfront_chunksize": 240,
        "output_dtype": "float32",
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    },
    "peak_detector_params": {
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        "peak_span_ms": 0.7,
        "engine": "numba",
        "method": "geometrical",
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    "waveform_extractor_params": {
        "n_left": -64,
        "n_right": 96
    },
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        "mode": "extremum_amplitude"
    },
    "peak_sampler_params": {
        "mode": "rand_by_channel",
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        "nb_max_by_channel": 1000
    },
    "feature_method": "pca_by_channel",
    "feature_kargs": {
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        "adjacency_radius_um": 50.0
    },
    "cluster_method": "pruningshears",
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        "min_cluster_size": 20,
        "adjacency_radius_um": 50.0,
        "high_adjacency_radius_um": 30.0
    }
}