Every route is registered to a dictionary like this:
SelectWhat's included
，详情可参考搜狗输入法2026
Credit: Samsung
// 单调栈：存储"待匹配更大值"的元素，栈内保持单调递减（核心）
The Web streams spec requires promise creation at numerous points, often in hot paths and often invisible to users. Each read() call doesn't just return a promise; internally, the implementation creates additional promises for queue management, pull() coordination, and backpressure signaling.