GeoLeaf Core API - v3.0.0
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    • Start URL synchronisation: listen to map moveend and write the URL.

      Uses history.replaceState() only — no browser history entry is created. The write is debounced by SYNC_DEBOUNCE_MS ms.

      Parameters

      Returns () => void

      A teardown that removes every listener attached by this call (map moveend plus the three document listeners), so a re-init or reset never leaks them.