public void delete() {
    this.formalFile.delete();
    this.tmpFile.delete();
    if (this.formalFile.exists() || this.tmpFile.exists()) {
      LOGGER.warn(
          "Failed to delete system.properties file, you should manually delete them: {}, {}",
          this.formalFile.getAbsoluteFile(),
          this.tmpFile.getAbsolutePath());
    }
  }
Put key and value into properties

@param keyOrValue [key0, value0, key1, value1, ... ]
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/file/SystemPropertiesHandler.java