&reference.classobj.functions.call-user-method;
&reference.classobj.functions.call-user-method-array;
&reference.classobj.functions.class-exists;
&reference.classobj.functions.get-class;
&reference.classobj.functions.get-class-methods;
&reference.classobj.functions.get-class-vars;
&reference.classobj.functions.get-declared-classes;
&reference.classobj.functions.get-object-vars;
&reference.classobj.functions.get-parent-class;
&reference.classobj.functions.is-a;
&reference.classobj.functions.is-subclass-of;
&reference.classobj.functions.method-exists;