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/**
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The ASF 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.apache.storm.streams.operations;
/**
* A function that accepts one argument and returns an {@link Iterable} of elements as its result.
*
* @param <T> the type of the input to the function
* @param <R> the result type. An iterable of this type is returned from this function
*/
public interface FlatMapFunction<T, R> extends Function<T, Iterable<R>> {
}