}
            }
        }
        return systemCpuPercent;
    }

    /**
     * Gets a map of filtered environment variables.
     *
     * @param keyPattern The pattern to filter environment variable keys.
     * @return A map of filtered environment variables.
     */
    public Map<String, String> getFilteredEnvMap(final String keyPattern) {

        this.maxEsStatusRetry = maxEsStatusRetry;
    }

    /**
     * Creates a client filtered with additional headers.
     *
     * @param headers the headers to add to requests
     * @return the filtered client
     */
    @Override
    public Client filterWithHeader(final Map<String, String> headers) {
        return client.filterWithHeader(headers);