public bool TryGetExact(int offset, out Block b) { b = null; return false; }
public bool TryGetEnclosing(int offset, out Block b) { b = null; return false; }
public bool TryGetExact(int offset, out Block b) { b = null; return false; }
public bool TryGetEnclosing(int offset, out Block b) { b = null; return false; }