/**
 * Worklet ref registry — manages MainThreadRef state on the Main Thread.
 *
 * Each ref is identified by a worklet variable ID (wvid) assigned on the
 * BG thread. When INIT_MT_REF arrives, we create a holder. When SET_MT_REF
 * arrives, we set the holder's .current to the real element wrapper.
 */
interface WorkletRefHolder {
    current: unknown;
}
/**
 * Initialize a worklet ref on the Main Thread.
 * Called when the BG thread sends INIT_MT_REF(wvid, initValue).
 */
export declare function initWorkletRef(wvid: number, initValue: unknown): void;
/**
 * Bind a worklet ref to a Main Thread element.
 * Called when the BG thread sends SET_MT_REF(elementId, wvid).
 * The ref's .current is set to an MTElementWrapper around the real element.
 */
export declare function bindWorkletRef(wvid: number, el: MainThreadElement): void;
/**
 * Get a worklet ref holder by wvid — used by worklet event handlers
 * to access refs.
 */
export declare function getWorkletRef(wvid: number): WorkletRefHolder | undefined;
/**
 * Reset all worklet refs — for testing and hot reload.
 */
export declare function resetWorkletRefs(): void;
export {};