src/Elastic.Transport/Requests/MetaData/RequestMetaDataExtensions.cs

// Licensed to Elasticsearch B.V under one or more agreements.
// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information

using System;

namespace Elastic.Transport;

/// <summary>
/// 
/// </summary>
public static class RequestMetaDataExtensions
{
	/// <summary>
	/// 
	/// </summary>
	/// <param name="metaData"></param>
	/// <param name="helperValue"></param>
	/// <exception cref="InvalidOperationException"></exception>
	public static void AddHelper(this RequestMetaData metaData, string helperValue)
	{
		if (!metaData.TryAddMetaData(RequestMetaData.HelperKey, helperValue))
			throw new InvalidOperationException("A helper value has already been added.");
	}
}