/**
 * Powerset → multilabel conversion for the pyannote/segmentation-3.0 model.
 * Mirrors pyannote.audio.utils.powerset.Powerset.
 *
 * For (numClasses=3, maxSetSize=2), powerset has 7 classes:
 *   0: {}        (silence)
 *   1: {0}       (speaker 0)
 *   2: {1}       (speaker 1)
 *   3: {2}       (speaker 2)
 *   4: {0, 1}
 *   5: {0, 2}
 *   6: {1, 2}
 */
export declare class Powerset {
    readonly numClasses: number;
    readonly maxSetSize: number;
    readonly mapping: Uint8Array;
    readonly numPowersetClasses: number;
    constructor(numClasses: number, maxSetSize: number);
    /**
     * Hard conversion: argmax over powerset classes per frame, then look up the
     * active speakers via the mapping. Returns (numFrames, numClasses) Uint8Array.
     */
    toMultilabelHard(powersetLogits: Float32Array, numFrames: number): Uint8Array;
}
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