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package org.apache.hadoop.gateway.deploy;
import org.apache.hadoop.gateway.topology.Service;
// An extension to base interface for backward compatibility with existing contributors.
// Service located and loaded via the base interface.
public interface VersionedServiceDeploymentContributor extends ServiceDeploymentContributor {
  // The versions supported by this contributor.
  // Formatted according to the Maven Enforcer plugin syntax.
  // http://maven.apache.org/enforcer/enforcer-rules/versionRanges.html
  // Returning null indicates that all versions are supported. and is equivalent to "[0,)"
  String getVersions();
}