https://spring.io/projects/spring-boot: Spring Boot Actuator (Pivotal Software, Inc.) 
public interface org.springframework.boot.actuate.endpoint.web.annotation.ExposableControllerEndpoint extends org.springframework.boot.actuate.endpoint.ExposableEndpoint<org.springframework.boot.actuate.endpoint.Operation>, org.springframework.boot.actuate.endpoint.web.PathMappedEndpoint
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.springframework.boot.actuate.endpoint.web.annotation.ExposableControllerEndpoint
  super_class: java.lang.Object
{
  public abstract java.lang.Object getController();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
Signature: Ljava/lang/Object;Lorg/springframework/boot/actuate/endpoint/ExposableEndpoint<Lorg/springframework/boot/actuate/endpoint/Operation;>;Lorg/springframework/boot/actuate/endpoint/web/PathMappedEndpoint;
SourceFile: "ExposableControllerEndpoint.java"