https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
public interface org.apache.catalina.Authenticator
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.catalina.Authenticator
  super_class: java.lang.Object
{
  public abstract boolean authenticate(org.apache.catalina.connector.Request, javax.servlet.http.HttpServletResponse);
    descriptor: (Lorg/apache/catalina/connector/Request;Ljavax/servlet/http/HttpServletResponse;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      request   
      response  

  public abstract void login(java.lang.String, java.lang.String, org.apache.catalina.connector.Request);
    descriptor: (Ljava/lang/String;Ljava/lang/String;Lorg/apache/catalina/connector/Request;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws javax.servlet.ServletException
    MethodParameters:
          Name  Flags
      userName  
      password  
      request   

  public abstract void logout(org.apache.catalina.connector.Request);
    descriptor: (Lorg/apache/catalina/connector/Request;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
         Name  Flags
      request  
}
SourceFile: "Authenticator.java"