https://www.spring.io/spring-data/spring-data-commons: Global parent pom.xml to be used by Spring Data modules (Pivotal Software, Inc.) 
public interface org.springframework.data.domain.Persistable<ID>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.springframework.data.domain.Persistable
  super_class: java.lang.Object
{
  public abstract ID getId();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()TID;
    RuntimeVisibleAnnotations: 
      org.springframework.lang.Nullable()

  public abstract boolean isNew();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
Signature: <ID:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "Persistable.java"