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package org.opentripplanner.apis.transmodel;

import java.util.Collection;
import org.opentripplanner.ext.actuator.MicrometerGraphQLInstrumentation;

/**
 * Transmodel API parameters. These parameters configure the behaviour of some aspects of the
 * Transmodel GraphQL API
 */
public interface TransmodelAPIParameters {
  /**
   * Should the feed id be left out from input and output mapping of the ID scalars
   */
  boolean hideFeedId();

  /**
   * Which HTTP headers should be used as tags for performance metering in the Actuator API
   *
   * @see MicrometerGraphQLInstrumentation
   */
  Collection tracingHeaderTags();

  /**
   * The maximum number of fields that can be present in a GraphQL result.
   */
  int maxNumberOfResultFields();
}