https://openjdk.java.net/ 
interface sun.security.ssl.SSLKeyDerivation
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.security.ssl.SSLKeyDerivation
  super_class: java.lang.Object
{
  public abstract javax.crypto.SecretKey deriveKey(java.lang.String, java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;)Ljavax/crypto/SecretKey;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      algorithm  
      params     
}
SourceFile: "SSLKeyDerivation.java"