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package sbt.testing;

/**
 * Indicates that classes (and possibly modules) that extend a particular superclass,
 * or mix in a particular supertrait, should be discovered as test classes.
 */
public interface SubclassFingerprint extends Fingerprint {
  /**
   * Indicates whether modules (singleton objects) that extend the superclass or
   * supertrait should be considered during discovery, or just classes.
   *
   * 
   * If modules are not allowed by the test framework, they should return false for
   * isModule. Returning false will speed up discovery because
   * classes for modules can be quickly bypassed.
   * 
   */                     // TODO update dox it is either or
  public boolean isModule();

  /**
   * The name of the superclass or supertrait that identifies classes (and possibly modules) as test
   * classes to be discovered.
   */
  public String superclassName();

  /**
   * Indicates whether the discovered class requires no argument constructor.
   */
  public boolean requireNoArgConstructor();
}