builder.setIfPrimaryTerm(primaryTerm.longValue());
            }
            final DeleteResponse response = builder.execute().actionGet(ComponentUtil.getFessConfig().getIndexDeleteTimeout());
            return response.getResult() == Result.DELETED;
        } catch (final OpenSearchException e) {

     * Get the value for the key 'index.delete.timeout'. <br>
     * The value is, e.g. 3m <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexDeleteTimeout();

    /**
     * Get the value for the key 'index.health.timeout'. <br>
     * The value is, e.g. 10m <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)