/**
 * Scroll timer that fires local hooks at dynamically calculated intervals.
 */
export declare class ScrollTimer {
    #private;
    /**
     * @param {Function} registerTimeout Timeout registration function for cleanup tracking.
     */
    constructor(registerTimeout: (fn: () => void, delay: number) => number);
    /**
     * Whether the timer is currently active.
     *
     * @type {boolean}
     */
    get isActive(): boolean;
    /**
     * Configures the scroll timing settings.
     *
     * @param {object} settings Timer settings.
     * @param {object} settings.intervalRange Interval range in ms.
     * @param {number} settings.intervalRange.min Minimum interval in ms.
     * @param {number} settings.intervalRange.max Maximum interval in ms.
     * @param {number} settings.rampDistance Distance at which interval reaches minimum.
     */
    configure(settings: {
        intervalRange: {
            min: number;
            max: number;
        };
        rampDistance: number;
    }): void;
    /**
     * Updates the timer state. Starts or stops based on distance value.
     *
     * @param {number} distance Distance from viewport edge (0 = inside viewport, N > 0 = outside viewport).
     */
    update(distance: number): void;
    /**
     * Stops the timer.
     */
    stop(): void;
}
export interface ScrollTimer {
    addLocalHook(key: string, callback: Function): this;
    removeLocalHook(key: string, callback: Function): this;
    runLocalHooks(key: string, ...args: unknown[]): void;
    clearLocalHooks(): this;
}