package com.fasterxml.jackson.core; /** * Interface that those Jackson components that are explicitly versioned will implement. * Intention is to allow both plug-in components (custom extensions) and applications and * frameworks that use Jackson to detect exact version of Jackson in use. * This may be useful for example for ensuring that proper Jackson version is deployed * (beyond mechanisms that deployment system may have), as well as for possible * workarounds. */ public interface Versioned { /** * Method called to detect version of the component that implements this interface; * returned version should never be null, but may return specific "not available" * instance (see {@link Version} for details). */ Version version(); }