https://openjdk.java.net/ 
interface sun.security.ssl.SSLKeyDerivationGenerator
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.security.ssl.SSLKeyDerivationGenerator
  super_class: java.lang.Object
{
  public abstract sun.security.ssl.SSLKeyDerivation createKeyDerivation(sun.security.ssl.HandshakeContext, javax.crypto.SecretKey);
    descriptor: (Lsun/security/ssl/HandshakeContext;Ljavax/crypto/SecretKey;)Lsun/security/ssl/SSLKeyDerivation;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      context    
      secretKey  
}
SourceFile: "SSLKeyDerivationGenerator.java"