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/* Jackson JSON-processor.
 *
 * Copyright (c) 2007- Tatu Saloranta, [email protected]
 */

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).
     *
     * @return Version of the component
     */
    Version version();
}