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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.common;

/**
 * Represents a function that accepts three arguments and produces a result.
 *
 * @param  the type of the first argument
 * @param  the type of the second argument
 * @param  the type of the third argument
 * @param  the return type
 */
@FunctionalInterface
public interface TriFunction {
    /**
     * Applies this function to the given arguments.
     *
     * @param s the first function argument
     * @param t the second function argument
     * @param u the third function argument
     * @return the result
     */
    R apply(S s, T t, U u);
}