ass="extype" name="ostinato.core.Board.PC">PC</span>, <span class="extype" name="ostinato.core.Board.PL">PL</span>, <span class="extype" name="ostinato.core.Board.R">R</span>]</span>, <span name="A">A &lt;: <a href="Action.html" class="extype" name="ostinato.core.Action">Action</a>[<span class="extype" name="ostinato.core.Board.B">B</span>, <span class="extype" name="ostinato.core.Board.A">A</span>, <span class="extype" name="ostinato.core.Board.PC">PC</span>, <span class="extype" name="ostinato.core.Board.