https://openjdk.java.net/ 
public interface com.sun.jndi.ldap.LdapDnsProviderServiceInternal
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.jndi.ldap.LdapDnsProviderServiceInternal
  super_class: java.lang.Object
{
  public abstract com.sun.jndi.ldap.LdapDnsProviderResultInternal lookupEndpointsInternal(java.lang.String, java.util.Hashtable<?, ?>);
    descriptor: (Ljava/lang/String;Ljava/util/Hashtable;)Lcom/sun/jndi/ldap/LdapDnsProviderResultInternal;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws javax.naming.NamingException
    Signature: (Ljava/lang/String;Ljava/util/Hashtable<**>;)Lcom/sun/jndi/ldap/LdapDnsProviderResultInternal;
    MethodParameters:
      Name  Flags
      url   
      env   
}
SourceFile: "LdapDnsProviderServiceInternal.java"