using System;

namespace System.Collections.Generic
{
	/// <summary>Represents a generic collection of key/value pairs.</summary>
	/// <typeparam name="TKey">The type of keys in the dictionary.</typeparam>
	/// <typeparam name="TValue">The type of values in the dictionary.</typeparam>
	/// <filterpriority>1</filterpriority>
	// Token: 0x0200010A RID: 266
	public interface IDictionary<TKey, TValue> : IEnumerable, ICollection<KeyValuePair<TKey, TValue>>, IEnumerable<KeyValuePair<TKey, TValue>>
	{
		/// <summary>Adds an element with the provided key and value to the <see cref="T:System.Collections.Generic.IDictionary`2" />.</summary>
		/// <param name="key">The object to use as the key of the element to add.</param>
		/// <param name="value">The object to use as the value of the element to add.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is null.</exception>
		/// <exception cref="T:System.ArgumentException">An element with the same key already exists in the <see cref="T:System.Collections.Generic.IDictionary`2" />.</exception>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.IDictionary`2" /> is read-only.</exception>
		// Token: 0x06000CF5 RID: 3317
		void Add(TKey key, TValue value);

		/// <summary>Determines whether the <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element with the specified key.</summary>
		/// <returns>true if the <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element with the key; otherwise, false.</returns>
		/// <param name="key">The key to locate in the <see cref="T:System.Collections.Generic.IDictionary`2" />.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is null.</exception>
		// Token: 0x06000CF6 RID: 3318
		bool ContainsKey(TKey key);

		/// <summary>Removes the element with the specified key from the <see cref="T:System.Collections.Generic.IDictionary`2" />.</summary>
		/// <returns>true if the element is successfully removed; otherwise, false.  This method also returns false if <paramref name="key" /> was not found in the original <see cref="T:System.Collections.Generic.IDictionary`2" />.</returns>
		/// <param name="key">The key of the element to remove.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is null.</exception>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.IDictionary`2" /> is read-only.</exception>
		// Token: 0x06000CF7 RID: 3319
		bool Remove(TKey key);

		/// <summary>Gets the value associated with the specified key.</summary>
		/// <returns>true if the object that implements <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element with the specified key; otherwise, false.</returns>
		/// <param name="key">The key whose value to get.</param>
		/// <param name="value">When this method returns, the value associated with the specified key, if the key is found; otherwise, the default value for the type of the <paramref name="value" /> parameter. This parameter is passed uninitialized.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is null.</exception>
		// Token: 0x06000CF8 RID: 3320
		bool TryGetValue(TKey key, out TValue value);

		/// <summary>Gets or sets the element with the specified key.</summary>
		/// <returns>The element with the specified key.</returns>
		/// <param name="key">The key of the element to get or set.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is null.</exception>
		/// <exception cref="T:System.Collections.Generic.KeyNotFoundException">The property is retrieved and <paramref name="key" /> is not found.</exception>
		/// <exception cref="T:System.NotSupportedException">The property is set and the <see cref="T:System.Collections.Generic.IDictionary`2" /> is read-only.</exception>
		// Token: 0x170001EF RID: 495
		TValue this[TKey key] { get; set; }

		/// <summary>Gets an <see cref="T:System.Collections.Generic.ICollection`1" /> containing the keys of the <see cref="T:System.Collections.Generic.IDictionary`2" />.</summary>
		/// <returns>An <see cref="T:System.Collections.Generic.ICollection`1" /> containing the keys of the object that implements <see cref="T:System.Collections.Generic.IDictionary`2" />.</returns>
		// Token: 0x170001F0 RID: 496
		// (get) Token: 0x06000CFB RID: 3323
		ICollection<TKey> Keys { get; }

		/// <summary>Gets an <see cref="T:System.Collections.Generic.ICollection`1" /> containing the values in the <see cref="T:System.Collections.Generic.IDictionary`2" />.</summary>
		/// <returns>An <see cref="T:System.Collections.Generic.ICollection`1" /> containing the values in the object that implements <see cref="T:System.Collections.Generic.IDictionary`2" />.</returns>
		// Token: 0x170001F1 RID: 497
		// (get) Token: 0x06000CFC RID: 3324
		ICollection<TValue> Values { get; }
	}
}