Simple and flexible way to access and store configuration settings

using System.Collections.Generic;

namespace i3Quest.Configuration.Core
{
	/// <summary>
	/// Represents an object that allows to store and retrieve configuration settings.
	/// </summary>
    public interface IConfigurationContext
    {
		/// <summary>
		/// Lists all context objects with specified name that are associated with current context.
		/// </summary>
		/// <param name="contextName">Name of the context to get.</param>
		/// <param name="create">Create context if does not exist.</param>
		/// <returns>Enumeration of contexts.</returns>
		IEnumerable<IConfigurationContext> Get(string contextName, bool create);

		/// <summary>
		/// Lists all context objects associated with current context.
		/// </summary>
		/// <returns>Enumeration of contexts.</returns>
        IEnumerable<IConfigurationContext> GetAll();

		/// <summary>
		/// Gets or sets a configuration value for specified name.
		/// </summary>
		/// <param name="name">Name of the setting.</param>
		/// <returns>Setting value.</returns>
        string this[string name] { get; set; }

		/// <summary>
		/// Gets a string that specifies the name of the context.
		/// </summary>
        string Name { get; }

		/// <summary>
		/// Creates new context object with a specified name.
		/// </summary>
		/// <param name="contextName">Name of the context to create.</param>
		/// <returns>Configuration context object.</returns>
        IConfigurationContext Create(string contextName);
    }
}