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Elasticsearch subproject :client:sniffer

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/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you 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.elasticsearch.client.sniff;

import org.elasticsearch.client.Node;

import java.io.IOException;
import java.util.List;

/**
 * Responsible for sniffing the http hosts
 */
public interface NodesSniffer {
    /**
     * Returns the sniffed Elasticsearch nodes.
     */
    List sniff() throws IOException;
}