StockSharp

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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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namespace StockSharp.BusinessEntities;
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/// <summary>
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/// Allows user to select one or more securities from the provider.
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/// </summary>
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public interface ISecuritySelector
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{
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	/// <summary>
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	/// Select securities.
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	/// </summary>
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	ValueTask<IEnumerable<Security>> SelectSecurities(bool allowMultiple, CancellationToken token);
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}
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