public SpatialPrefixTree(SpatialContext ctx, int maxLevels) {assert maxLevels > 0;this.ctx = ctx;this.maxLevels = maxLevels;}

public SpatialPrefixTree ( SpatialContext ctx , int maxLevels ) { assert maxLevels > 0 ; this . ctx = ctx ; this . maxLevels = maxLevels ; }
public SpatialPrefixTree(SpatialContext ctx, int maxLevels){Debug.Assert(maxLevels > 0);this.m_ctx = ctx;this.m_maxLevels = maxLevels;}
