Please have a look at this community article :-
// This aricle covers OSGi Configuration Management – AEM
And yes, as mentioned by Ratna, please have a look at Adobe Helps article:- https://helpx.adobe.com/experience-manager/using/osgi_config.html
// It has shown that configuration values are defiled in CRXDE Lite by creation node of type sling:OsgiConfig and Configuration values that are defined as properties of a sling:OsgiConfig node.
I hope this will help you.