https://logging.apache.org/log4j/2.x/log4j-core/: The Apache Log4j Implementation (The Apache Software Foundation)
  • Ralph Goers (Nextiva)
  • Gary Gregory (Rocket Software)
  • Scott Deboy
  • Remko Popma
  • Nick Williams
  • Matt Sicker (Independent Consultant)
  • Bruce Brouwer
  • Mikael Ståldal (Spotify) 
public interface org.apache.logging.log4j.core.util.Cancellable extends java.lang.Runnable
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.logging.log4j.core.util.Cancellable
  super_class: java.lang.Object
{
  public abstract void cancel();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "Cancellable.java"