https://openjdk.java.net/ 
public interface java.util.concurrent.RejectedExecutionHandler
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: java.util.concurrent.RejectedExecutionHandler
  super_class: java.lang.Object
{
  public abstract void rejectedExecution(java.lang.Runnable, java.util.concurrent.ThreadPoolExecutor);
    descriptor: (Ljava/lang/Runnable;Ljava/util/concurrent/ThreadPoolExecutor;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      r         
      executor  
}
SourceFile: "RejectedExecutionHandler.java"