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/*
 * Copyright (C) 2011 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.prestosql.hadoop.$internal.com.google.common.collect;

import io.prestosql.hadoop.$internal.com.google.common.annotations.GwtCompatible;

/**
 * A side of a binary search tree node, used to index its children.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
enum BstSide {
  LEFT {
    @Override
    public BstSide other() {
      return RIGHT;
    }
  },
  RIGHT {
    @Override
    public BstSide other() {
      return LEFT;
    }
  };

  abstract BstSide other();
}