https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
public interface org.apache.catalina.Executor extends java.util.concurrent.Executor, org.apache.catalina.Lifecycle
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.catalina.Executor
  super_class: java.lang.Object
{
  public abstract java.lang.String getName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void execute(java.lang.Runnable, long, java.util.concurrent.TimeUnit);
    descriptor: (Ljava/lang/Runnable;JLjava/util/concurrent/TimeUnit;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
         Name  Flags
      command  
      timeout  
      unit     
}
SourceFile: "Executor.java"