ozhera-prometheus-agent/ozhera-prometheus-agent-client/src/main/java/org/apache/ozhera/prometheus/agent/prometheusClient/PrometheusClient.java [275:288]:
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    private void deleteBackConfig() {
        //Check if the file exists.
        if (!isFileExists(backFilePath)) {
            log.error("PrometheusClient deleteBackConfig no files here path: {}", backFilePath);
            return;
        }
        //Delete backup files.
        boolean deleteRes = FileUtil.DeleteFile(backFilePath);
        if (deleteRes) {
            log.info("PrometheusClient deleteBackConfig delete success");
        } else {
            log.error("PrometheusClient deleteBackConfig delete fail");
        }
    }
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ozhera-prometheus-agent/ozhera-prometheus-agent-client/src/main/java/org/apache/ozhera/prometheus/agent/alertManagerClient/AlertManagerClient.java [274:287]:
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    private void deleteBackConfig() {
        //Check if the file exists.
        if (!isFileExists(backFilePath)) {
            log.error("AlertManagerClient deleteBackConfig no files here path: {}", backFilePath);
            return;
        }
        //Delete backup files.
        boolean deleteRes = FileUtil.DeleteFile(backFilePath);
        if (deleteRes) {
            log.info("AlertManagerClient deleteBackConfig delete success");
        } else {
            log.error("AlertManagerClient deleteBackConfig delete fail");
        }
    }
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