import type { ComputeAwareConfig, SegmentPerfStat } from "@hevcjs/core";
type ShakaPlayer = any;
export interface ShakaComputeAwareOptions extends ComputeAwareConfig {
    /**
     * Optional sink for telemetry — called on every observation, not just
     * cap changes. Useful for plotting speedX over time in a demo.
     *
     * `reason` is the decider's verdict on this observation:
     * `init` (window not full yet) | `hold` (no change) |
     * `lower` (cap stepped down) | `raise` (cap stepped up).
     */
    onObservation?: (stat: SegmentPerfStat, avgSpeedX: number, capIndex: number | null, reason: "init" | "hold" | "lower" | "raise") => void;
}
/**
 * Attach the compute-aware ABR feedback loop to a Shaka player.
 *
 * Must be called after `new shaka.Player()`. Safe to call before
 * `player.load()`: variants are looked up lazily as segments arrive.
 *
 * @returns cleanup function — unsubscribes the perf-bus listener.
 *   Does NOT clear any restriction already applied to the player. If you
 *   want to restore an unbounded ABR, call
 *   `player.configure({ abr: { restrictions: { maxHeight: Infinity, maxBandwidth: Infinity }}})`
 *   after detaching.
 */
export declare function attachShakaComputeAware(player: ShakaPlayer, options?: ShakaComputeAwareOptions): () => void;
export {};
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