http://hibernate.org: Hibernate's core ORM functionality (Hibernate.org) 
public interface org.hibernate.hql.internal.ast.tree.FunctionNode
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.hibernate.hql.internal.ast.tree.FunctionNode
  super_class: java.lang.Object
{
  public abstract org.hibernate.dialect.function.SQLFunction getSQLFunction();
    descriptor: ()Lorg/hibernate/dialect/function/SQLFunction;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract org.hibernate.type.Type getFirstArgumentType();
    descriptor: ()Lorg/hibernate/type/Type;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "FunctionNode.java"