https://openjdk.java.net/ 
public interface com.sun.org.apache.xml.internal.utils.PrefixResolver
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.org.apache.xml.internal.utils.PrefixResolver
  super_class: java.lang.Object
{
  public abstract java.lang.String getNamespaceForPrefix(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      prefix  

  public abstract java.lang.String getNamespaceForPrefix(java.lang.String, org.w3c.dom.Node);
    descriptor: (Ljava/lang/String;Lorg/w3c/dom/Node;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
         Name  Flags
      prefix   
      context  

  public abstract java.lang.String getBaseIdentifier();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract boolean handlesNullPrefixes();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "PrefixResolver.java"