http://github.com/google/tink: Tink is a small cryptographic library that provides a safe, simple, agile and fast way to accomplish some common cryptographic tasks. 
public final class com.google.crypto.tink.subtle.Enums
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.google.crypto.tink.subtle.Enums
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.crypto.tink.subtle.Enums this
         0: .line 20
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.crypto.tink.subtle.Enums this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/crypto/tink/subtle/Enums;
}
SourceFile: "Enums.java"
NestMembers:
  com.google.crypto.tink.subtle.Enums$HashType
InnerClasses:
  public final HashType = com.google.crypto.tink.subtle.Enums$HashType of com.google.crypto.tink.subtle.Enums