.replace("__SOURCE_INDEX__", fromIndex)//
                .replace("__SIZE__", fessConfig.getIndexReindexSize())//
                .replace("__DEST_INDEX__", toIndex);
        return reindex(fromIndex, toIndex, source, waitForCompletion);
    }

    /**
     * Performs a reindex operation with custom source configuration.
     *
     * @param fromIndex        the source index name

        }

        public ListIterator<E> listIterator(final int index) {
            return parent.listIterator(index);
        }

        public List<E> subList(final int fromIndex, final int toIndex) {
            return parent.subList(fromIndex, toIndex);
        }

        public RequestOptionCall<BulkRequestBuilder> getCall() {
            return call;
        }

      val toIndex = minOf(source.buffer.size, maxByteCount) + 1L
      val boundaryIndex =
        source.indexOf(
          bytes = crlfDashDashBoundary,
          fromIndex = 0L,
          toIndex = toIndex,
        )
      return when {
        boundaryIndex != -1L -> boundaryIndex

        // We found the boundary.

            return deleteIndexResult;
        }

        @Override
        public boolean reindex(final String fromIndex, final String toIndex, final boolean waitForCompletion) {
            calledMethods.add("reindex");
            reindexPairs.add(new String[] { fromIndex, toIndex });
            reindexCallCount++;
            if (reindexFailOnNth > 0 && (reindexCallCount % reindexFailOnNth) == 0) {

  }

  private ImmutableSortedMap<K, V> getSubMap(int fromIndex, int toIndex) {
    if (fromIndex == 0 && toIndex == size()) {
      return this;
    } else if (fromIndex == toIndex) {
      return emptyMap(comparator());
    } else {
      return new ImmutableSortedMap<>(
          keySet.getSubSet(fromIndex, toIndex), valueList.subList(fromIndex, toIndex));
    }
  }

  /**

  }

  private ImmutableSortedMap<K, V> getSubMap(int fromIndex, int toIndex) {
    if (fromIndex == 0 && toIndex == size()) {
      return this;
    } else if (fromIndex == toIndex) {
      return emptyMap(comparator());
    } else {
      return new ImmutableSortedMap<>(
          keySet.getSubSet(fromIndex, toIndex), valueList.subList(fromIndex, toIndex));
    }
  }

  /**

    public int lastIndexOf(@Nullable Object target) {
      return target instanceof Long ? parent.lastIndexOf((Long) target) : -1;
    }

    @Override
    public List<Long> subList(int fromIndex, int toIndex) {
      return parent.subArray(fromIndex, toIndex).asList();
    }

    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.

        }

        public ListIterator<E> listIterator(final int index) {
            return parent.listIterator(index);
        }

        public List<E> subList(final int fromIndex, final int toIndex) {
            return parent.subList(fromIndex, toIndex);
        }

        public RequestOptionCall<BulkRequestBuilder> getCall() {
            return call;
        }

        final String systemMsg = captured.toString();
        // Not all 10 documents should be fully included
        int docCount = 0;
        int fromIndex = 0;
        while ((fromIndex = systemMsg.indexOf("=== Document ===", fromIndex)) != -1) {
            docCount++;
            fromIndex++;
        }
        assertTrue(docCount < 10, "Expected fewer than 10 documents due to truncation, got " + docCount);
    }

    @Test

      return target instanceof Double ? parent.lastIndexOf((Double) target) : -1;
    }

    @Override
    public List<Double> subList(int fromIndex, int toIndex) {
      return parent.subArray(fromIndex, toIndex).asList();
    }

    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.