/**
 * Throttle class for limiting render frequency.
 * Uses high-resolution time (hrtime) for accurate throttling.
 */
export declare class Throttle {
    private lastFrameTime;
    private minFrameInterval;
    private fps;
    constructor(fps?: number);
    /**
     * Update the target FPS
     */
    setFps(fps: number): void;
    /**
     * Check if we should render now based on throttle settings.
     * Returns true if enough time has passed since last render.
     */
    shouldRender(): boolean;
    /**
     * Get time remaining until next frame can be rendered (in milliseconds).
     * Useful for scheduling the next render.
     */
    timeUntilNextFrame(): number;
    /**
     * Reset the throttle (useful for testing or after long pauses)
     */
    reset(): void;
}
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