String (@Nullable String tunnelSetting) { tunnelSetting = !isEmpty(tunnelSetting) ? tunnelSetting : DEFAULT_SSH_TUNNEL_VALUE; String svnSshVariableName = getSvnSshVariableName(tunnelSetting); String svnSshVariableValue = EnvironmentUtil.getValue(svnSshVariableName); return !isEmpty(svnSshVariableValue) ? svnSshVariableValue : !isEmpty(svnSshVariableName) ? tunnelSetting.substring(1 + svnSshVariableName.length()) : tunnelSetting; }