// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace Microsoft.AspNetCore.Mvc.ModelBinding;
 
/// <summary>
/// Defines the methods that are required for a value provider.
/// </summary>
public interface IValueProvider
{
    /// <summary>
    /// Determines whether the collection contains the specified prefix.
    /// </summary>
    /// <param name="prefix">The prefix to search for.</param>
    /// <returns>true if the collection contains the specified prefix; otherwise, false.</returns>
    bool ContainsPrefix(string prefix);
 
    /// <summary>
    /// Retrieves a value object using the specified key.
    /// </summary>
    /// <param name="key">The key of the value object to retrieve.</param>
    /// <returns>The value object for the specified key. If the exact key is not found, <see cref="ValueProviderResult.None" />.</returns>
    ValueProviderResult GetValue(string key);
}