How to read portlet.properties file in Liferay DXP

In case if you are using portlet.properties file in Osgi module then using below snippet you can read property specified in portlet.properties file.

private static final Configuration _configuration = ConfigurationFactoryUtil
  .getConfiguration(ReportUtil.class.getClassLoader(), "portlet");

String fromEmailAddress = _configuration.get("report.form.emailaddress");

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