private static String getSetting(final Environment environment, final String key) {
            return environment.getProperty(CAS_CONFIGURATION_PREFIX + '.' + key);
        }
This is {@link CasJdbcCloudConfigBootstrapAutoConfiguration}.

@author Misagh Moayyed
@since 5.1.0
support/cas-server-support-configuration-cloud-jdbc/src/main/java/org/apereo/cas/config/CasJdbcCloudConfigBootstrapAutoConfiguration.java