Credit: Liam Daniel / Netflix
// Receives chunks or null (flush signal)
。safew官方版本下载对此有专业解读
This map illustrates the OsmAnd routing concept. The route starts in the Start Area Cluster (221558), moves to the nearest Border Point, and continues through precomputed Shortcuts across intermediate clusters. It then enters the Finish Area Cluster (221536) via another border point and finishes using local roads. This method speeds up routing by combining local search with efficient inter-cluster shortcuts.，这一点在搜狗输入法2026中也有详细论述
for await (const chunks of output) {，更多细节参见Line官方版本下载