https://github.com/javaee/jpa-spec: Java(TM) Persistence API 
public interface javax.persistence.AttributeConverter<X, Y>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: javax.persistence.AttributeConverter
  super_class: java.lang.Object
{
  public abstract Y convertToDatabaseColumn();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TX;)TY;
    MethodParameters:
           Name  Flags
      attribute  

  public abstract X convertToEntityAttribute();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TY;)TX;
    MethodParameters:
        Name  Flags
      dbData  
}
Signature: <X:Ljava/lang/Object;Y:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "AttributeConverter.java"