mavibot/src/main/java/org/apache/directory/mavibot/btree/InMemoryNode.java [115:157]:
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            return replaceChild( revision, ( ModifyResult<K, V> ) result, pos );
        }
        else
        {
            // The child has been split. We have to insert the new pivot in the
            // current page, and to reference the two new pages
            SplitResult<K, V> splitResult = ( SplitResult<K, V> ) result;
            K pivot = splitResult.getPivot();
            Page<K, V> leftPage = splitResult.getLeftPage();
            Page<K, V> rightPage = splitResult.getRightPage();

            // We have to deal with the two cases :
            // - the current page is full, we have to split it
            // - the current page is not full, we insert the new pivot
            if ( nbElems == btree.getPageSize() )
            {
                // The page is full
                result = addAndSplit( splitResult.getCopiedPages(), revision, pivot, leftPage, rightPage, pos );
            }
            else
            {
                // The page can contain the new pivot, let's insert it
                result = insertChild( splitResult.getCopiedPages(), revision, pivot, leftPage, rightPage, pos );
            }

            return result;
        }
    }


    /**
     * Modifies the current node after a remove has been done in one of its children.
     * The node won't be merged with another node.
     *
     * @param removeResult The result of a remove operation
     * @param index the position of the key, not transformed
     * @param pos The position of the key, as a positive value
     * @param found If the key has been found in the page
     * @return The new result
     * @throws IOException If we have an error while trying to access the page
     */
    private RemoveResult<K, V> handleRemoveResult( RemoveResult<K, V> removeResult, int index, int pos, boolean found )
        throws IOException
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mavibot/src/main/java/org/apache/directory/mavibot/btree/PersistedNode.java [150:192]:
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            return replaceChild( revision, ( ModifyResult<K, V> ) result, pos );
        }
        else
        {
            // The child has been split. We have to insert the new pivot in the
            // current page, and to reference the two new pages
            SplitResult<K, V> splitResult = ( SplitResult<K, V> ) result;
            K pivot = splitResult.getPivot();
            Page<K, V> leftPage = splitResult.getLeftPage();
            Page<K, V> rightPage = splitResult.getRightPage();

            // We have to deal with the two cases :
            // - the current page is full, we have to split it
            // - the current page is not full, we insert the new pivot
            if ( nbElems == btree.getPageSize() )
            {
                // The page is full
                result = addAndSplit( splitResult.getCopiedPages(), revision, pivot, leftPage, rightPage, pos );
            }
            else
            {
                // The page can contain the new pivot, let's insert it
                result = insertChild( splitResult.getCopiedPages(), revision, pivot, leftPage, rightPage, pos );
            }

            return result;
        }
    }


    /**
     * Modifies the current node after a remove has been done in one of its children.
     * The node won't be merged with another node.
     *
     * @param removeResult The result of a remove operation
     * @param index the position of the key, not transformed
     * @param pos The position of the key, as a positive value
     * @param found If the key has been found in the page
     * @return The new result
     * @throws IOException If we have an error while trying to access the page
     */
    private RemoveResult<K, V> handleRemoveResult( RemoveResult<K, V> removeResult, int index, int pos, boolean found )
        throws IOException
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