<commit_before>package com.paritytrading.parity.match;

import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.longs.Long2ObjectRBTreeMap;
import it.unimi.dsi.fastutil.longs.LongComparators;
import java.util.ArrayList;

/**
 * An order book.
 */
public class OrderBook {

    private Long2ObjectRBTreeMap<Level> bids;
    private Long2ObjectRBTreeMap<Level> asks;

    private Long2ObjectOpenHashMap<Order> orders;<commit_msg>Clean up imports in matching engine<commit_after>package com.paritytrading.parity.match;

import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.longs.Long2ObjectRBTreeMap;
import it.unimi.dsi.fastutil.longs.LongComparators;

/**
 * An order book.
 */
public class OrderBook {

    private Long2ObjectRBTreeMap<Level> bids;
    private Long2ObjectRBTreeMap<Level> asks;

    private Long2ObjectOpenHashMap<Order> orders;
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