if (done) break;
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
，这一点在搜狗输入法2026中也有详细论述
wire = { module = "com.squareup.wire:wire-runtime", version.ref = "wire" }
writeSync(chunk) { addChunk(chunk); return true; },