https://spring.io/projects/spring-boot: Spring Boot Actuator (Pivotal Software, Inc.) 
public interface org.springframework.boot.actuate.health.ContributorRegistry<C> extends org.springframework.boot.actuate.health.NamedContributors<C>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.springframework.boot.actuate.health.ContributorRegistry
  super_class: java.lang.Object
{
  public abstract void registerContributor(java.lang.String, );
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/String;TC;)V
    MethodParameters:
             Name  Flags
      name         
      contributor  

  public abstract C unregisterContributor(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/String;)TC;
    MethodParameters:
      Name  Flags
      name  
}
Signature: <C:Ljava/lang/Object;>Ljava/lang/Object;Lorg/springframework/boot/actuate/health/NamedContributors<TC;>;
SourceFile: "ContributorRegistry.java"