type QueueMicrotask = (callback: () => void) => void;
type QueueMicrotaskGlobal = {
    queueMicrotask?: QueueMicrotask;
};
/**
 * Provides the microtask primitive required by generated development React Refresh boundaries.
 *
 * Supported Mini Program engines provide Promise jobs but do not share a queueMicrotask baseline.
 * Reusing one resolved Promise preserves FIFO ordering without adding core-js or production code.
 */
export declare function polyfillQueueMicrotask(runtimeGlobal: QueueMicrotaskGlobal): void;
export {};