https://spring.io/projects/spring-boot: Spring Boot (Pivotal Software, Inc.) 
public interface org.springframework.boot.task.TaskSchedulerCustomizer
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.springframework.boot.task.TaskSchedulerCustomizer
  super_class: java.lang.Object
{
  public abstract void customize(org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler);
    descriptor: (Lorg/springframework/scheduling/concurrent/ThreadPoolTaskScheduler;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
               Name  Flags
      taskScheduler  
}
SourceFile: "TaskSchedulerCustomizer.java"
    RuntimeVisibleAnnotations: 
      java.lang.FunctionalInterface()