https://projects.eclipse.org/projects/ee4j.jersey/jersey-client: Jersey core client implementation (Eclipse Foundation) 
public interface org.glassfish.jersey.client.ClientLifecycleListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.glassfish.jersey.client.ClientLifecycleListener
  super_class: java.lang.Object
{
  public abstract void onInit();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void onClose();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "ClientLifecycleListener.java"
    RuntimeVisibleAnnotations: 
      org.glassfish.jersey.spi.Contract()
      javax.ws.rs.ConstrainedTo(value = javax.ws.rs.RuntimeType.CLIENT:Ljavax/ws/rs/RuntimeType;)