https://github.com/javaee/jpa-spec: Java(TM) Persistence API 
public interface javax.persistence.metamodel.PluralAttribute<X, C, E> extends javax.persistence.metamodel.Attribute<X, C>, javax.persistence.metamodel.Bindable<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: javax.persistence.metamodel.PluralAttribute
  super_class: java.lang.Object
{
  public abstract javax.persistence.metamodel.PluralAttribute$CollectionType getCollectionType();
    descriptor: ()Ljavax/persistence/metamodel/PluralAttribute$CollectionType;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract javax.persistence.metamodel.Type<E> getElementType();
    descriptor: ()Ljavax/persistence/metamodel/Type;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljavax/persistence/metamodel/Type<TE;>;
}
Signature: <X:Ljava/lang/Object;C:Ljava/lang/Object;E:Ljava/lang/Object;>Ljava/lang/Object;Ljavax/persistence/metamodel/Attribute<TX;TC;>;Ljavax/persistence/metamodel/Bindable<TE;>;
SourceFile: "PluralAttribute.java"
NestMembers:
  javax.persistence.metamodel.PluralAttribute$CollectionType
InnerClasses:
  public final CollectionType = javax.persistence.metamodel.PluralAttribute$CollectionType of javax.persistence.metamodel.PluralAttribute