https://openjdk.java.net/ 
public interface javax.crypto.interfaces.PBEKey extends javax.crypto.SecretKey
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: javax.crypto.interfaces.PBEKey
  super_class: java.lang.Object
{
  public static final long serialVersionUID;
    descriptor: J
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: -1430015993304333921

  public abstract char[] getPassword();
    descriptor: ()[C
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract byte[] getSalt();
    descriptor: ()[B
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract int getIterationCount();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "PBEKey.java"