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  * Copyright (c) 2012, Francis Galiegue <>
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the Lesser GNU General Public License as
  * published by the Free Software Foundation, either version 3 of the
  * License, or (at your option) any later version.
  * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * Lesser GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <>.
package com.github.fge.jsonschema.ref;

A completely empty JSON Reference (ie, #)

This happens in a lot of situations, it is therefore beneficial to have a dedicated class for it. For instance, resolving any other reference against this one always returns the other reference, and it is never absolute.

final class EmptyJsonRef
    extends JsonRef
    private static final JsonRef INSTANCE = new EmptyJsonRef();
    private EmptyJsonRef()
    static JsonRef getInstance()
        return ;
    public boolean isAbsolute()
        return false;
    public JsonRef resolve(final JsonRef other)
        return other;
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