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package org.javimmutable.collections.list;

import org.javimmutable.collections.Cursorable;
import org.javimmutable.collections.InvariantCheckable;
import org.javimmutable.collections.SplitableIterable;

/**
 * Interface for classes used to implement 32-way trees that restrict inserts and deletions
 * to the head and tail of the list but allow updates at any index within the list.
 */
interface Node
    extends Cursorable,
            SplitableIterable,
            InvariantCheckable
{
    boolean isEmpty();

    boolean isFull();

    int size();

    int getDepth();

    Node deleteFirst();

    Node deleteLast();

    Node insertFirst(T value);

    Node insertLast(T value);

    boolean containsIndex(int index);

    T get(int index);

    Node assign(int index,
                   T value);
}