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HPROF heap dump parser

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/**
 * Copyright 2014 Alexey Ragozin
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gridkit.jvmtool.heapdump;

import java.util.Iterator;

import org.netbeans.lib.profiler.heap.Instance;

/** This is ** mark. Direct walking is not supported */
class AnyPathStep extends PathStep {

    @Override
    public Iterator walk(Instance instance) {
        throw new UnsupportedOperationException();
    }

    @Override
    public Iterator track(Instance instance) {
        throw new UnsupportedOperationException();
    }

    public String toString() {
        return "**";
    }
}