https://projects.eclipse.org/projects/ee4j.jersey/jersey-common: Jersey core common packages (Eclipse Foundation) 
public interface org.glassfish.jersey.internal.util.collection.LazyUnsafeValue<T, E extends java.lang.Throwable> extends org.glassfish.jersey.internal.util.collection.UnsafeValue<T, E>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.glassfish.jersey.internal.util.collection.LazyUnsafeValue
  super_class: java.lang.Object
{
  public abstract boolean isInitialized();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
Signature: <T:Ljava/lang/Object;E:Ljava/lang/Throwable;>Ljava/lang/Object;Lorg/glassfish/jersey/internal/util/collection/UnsafeValue<TT;TE;>;
SourceFile: "LazyUnsafeValue.java"