package pl.edu.mimuw.cloudatlas.interpreter.query.Absyn; // Java Package generated by the BNF Converter. public abstract class Nulls implements java.io.Serializable { public abstract R accept(Nulls.Visitor v, A arg); public interface Visitor { public R visit(pl.edu.mimuw.cloudatlas.interpreter.query.Absyn.NoNullsC p, A arg); public R visit(pl.edu.mimuw.cloudatlas.interpreter.query.Absyn.NullFirstsC p, A arg); public R visit(pl.edu.mimuw.cloudatlas.interpreter.query.Absyn.NullsLastC p, A arg); } }