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There is a newer version: 3.6.2_1

// SPDX-License-Identifier: BSD-2-Clause
// Copyright (c) 1999-2004 Brian Wellington ([email protected])

package org.xbill.DNS;

/**
 * Constants relating to the credibility of cached data, which is based on the data's source. The
 * constants NORMAL and ANY should be used by most callers.
 *
 * @see Cache
 * @see Section
 * @author Brian Wellington
 */
public final class Credibility {

  private Credibility() {}

  /** A hint or cache file on disk. */
  public static final int HINT = 0;

  /** The additional section of a response. */
  public static final int ADDITIONAL = 1;

  /** The additional section of a response. */
  public static final int GLUE = 2;

  /** The authority section of a nonauthoritative response. */
  public static final int NONAUTH_AUTHORITY = 3;

  /** The answer section of a nonauthoritative response. */
  public static final int NONAUTH_ANSWER = 3;

  /** The authority section of an authoritative response. */
  public static final int AUTH_AUTHORITY = 4;

  /** The answer section of a authoritative response. */
  public static final int AUTH_ANSWER = 4;

  /** A zone. */
  public static final int ZONE = 5;

  /** Credible data. */
  public static final int NORMAL = 3;

  /** Data not required to be credible. */
  public static final int ANY = 1;
}