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The plugin that powers ESQL for Elasticsearch

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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; you may not use this file except in compliance with the Elastic License
 * 2.0.
 */

package org.elasticsearch.xpack.esql.expression.function;

/**
 * Marker interface indicating that a function accepts two optional arguments (the last two).
 * This is used by the {@link EsqlFunctionRegistry} to perform validation of function declaration.
 */
public interface TwoOptionalArguments {

}