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Create a well-defined, cross-language specification for data compute operations

There is a newer version: 0.46.1

package io.substrait.relation;

import io.substrait.extension.AdvancedExtension;
import java.util.Optional;

/** Used to indicate the potential presence of an {@link AdvancedExtension} */
public interface HasExtension {
  /**
   * @return the {@link AdvancedExtension} associated directly with the class
   */
  Optional getExtension();
}