using System;
using System.Runtime.InteropServices;
using Cpp2IlInjected;

namespace System.Collections
{
	/// <summary>Represents a nongeneric collection of key/value pairs.</summary>
	// Token: 0x020005D6 RID: 1494
	[Token(Token = "0x20005D6")]
	[ComVisible(true)]
	public interface IDictionary : ICollection, IEnumerable
	{
		/// <summary>Gets or sets the element with the specified key.</summary>
		/// <param name="key">The key of the element to get or set.</param>
		/// <returns>The element with the specified key, or <see langword="null" /> if the key does not exist.</returns>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is <see langword="null" />.</exception>
		/// <exception cref="T:System.NotSupportedException">The property is set and the <see cref="T:System.Collections.IDictionary" /> object is read-only.  
		///  -or-  
		///  The property is set, <paramref name="key" /> does not exist in the collection, and the <see cref="T:System.Collections.IDictionary" /> has a fixed size.</exception>
		// Token: 0x17000723 RID: 1827
		[Token(Token = "0x17000723")]
		object this[object key]
		{
			[Token(Token = "0x6002E7E")]
			[Address(Slot = "0")]
			get;
			[Token(Token = "0x6002E7F")]
			[Address(Slot = "1")]
			set;
		}

		/// <summary>Gets an <see cref="T:System.Collections.ICollection" /> object containing the keys of the <see cref="T:System.Collections.IDictionary" /> object.</summary>
		/// <returns>An <see cref="T:System.Collections.ICollection" /> object containing the keys of the <see cref="T:System.Collections.IDictionary" /> object.</returns>
		// Token: 0x17000724 RID: 1828
		// (get) Token: 0x06002E80 RID: 11904
		[Token(Token = "0x17000724")]
		ICollection Keys
		{
			[Token(Token = "0x6002E80")]
			[Address(Slot = "2")]
			get;
		}

		/// <summary>Gets an <see cref="T:System.Collections.ICollection" /> object containing the values in the <see cref="T:System.Collections.IDictionary" /> object.</summary>
		/// <returns>An <see cref="T:System.Collections.ICollection" /> object containing the values in the <see cref="T:System.Collections.IDictionary" /> object.</returns>
		// Token: 0x17000725 RID: 1829
		// (get) Token: 0x06002E81 RID: 11905
		[Token(Token = "0x17000725")]
		ICollection Values
		{
			[Token(Token = "0x6002E81")]
			[Address(Slot = "3")]
			get;
		}

		/// <summary>Determines whether the <see cref="T:System.Collections.IDictionary" /> object contains an element with the specified key.</summary>
		/// <param name="key">The key to locate in the <see cref="T:System.Collections.IDictionary" /> object.</param>
		/// <returns>
		///   <see langword="true" /> if the <see cref="T:System.Collections.IDictionary" /> contains an element with the key; otherwise, <see langword="false" />.</returns>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is <see langword="null" />.</exception>
		// Token: 0x06002E82 RID: 11906
		[Token(Token = "0x6002E82")]
		[Address(Slot = "4")]
		bool Contains(object key);

		/// <summary>Adds an element with the provided key and value to the <see cref="T:System.Collections.IDictionary" /> object.</summary>
		/// <param name="key">The <see cref="T:System.Object" /> to use as the key of the element to add.</param>
		/// <param name="value">The <see cref="T:System.Object" /> to use as the value of the element to add.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is <see langword="null" />.</exception>
		/// <exception cref="T:System.ArgumentException">An element with the same key already exists in the <see cref="T:System.Collections.IDictionary" /> object.</exception>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.IDictionary" /> is read-only.  
		///  -or-  
		///  The <see cref="T:System.Collections.IDictionary" /> has a fixed size.</exception>
		// Token: 0x06002E83 RID: 11907
		[Token(Token = "0x6002E83")]
		[Address(Slot = "5")]
		void Add(object key, object value);

		/// <summary>Removes all elements from the <see cref="T:System.Collections.IDictionary" /> object.</summary>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.IDictionary" /> object is read-only.</exception>
		// Token: 0x06002E84 RID: 11908
		[Token(Token = "0x6002E84")]
		[Address(Slot = "6")]
		void Clear();

		/// <summary>Gets a value indicating whether the <see cref="T:System.Collections.IDictionary" /> object is read-only.</summary>
		/// <returns>
		///   <see langword="true" /> if the <see cref="T:System.Collections.IDictionary" /> object is read-only; otherwise, <see langword="false" />.</returns>
		// Token: 0x17000726 RID: 1830
		// (get) Token: 0x06002E85 RID: 11909
		[Token(Token = "0x17000726")]
		bool IsReadOnly
		{
			[Token(Token = "0x6002E85")]
			[Address(Slot = "7")]
			get;
		}

		/// <summary>Gets a value indicating whether the <see cref="T:System.Collections.IDictionary" /> object has a fixed size.</summary>
		/// <returns>
		///   <see langword="true" /> if the <see cref="T:System.Collections.IDictionary" /> object has a fixed size; otherwise, <see langword="false" />.</returns>
		// Token: 0x17000727 RID: 1831
		// (get) Token: 0x06002E86 RID: 11910
		[Token(Token = "0x17000727")]
		bool IsFixedSize
		{
			[Token(Token = "0x6002E86")]
			[Address(Slot = "8")]
			get;
		}

		/// <summary>Returns an <see cref="T:System.Collections.IDictionaryEnumerator" /> object for the <see cref="T:System.Collections.IDictionary" /> object.</summary>
		/// <returns>An <see cref="T:System.Collections.IDictionaryEnumerator" /> object for the <see cref="T:System.Collections.IDictionary" /> object.</returns>
		// Token: 0x06002E87 RID: 11911
		[Token(Token = "0x6002E87")]
		[Address(Slot = "9")]
		IDictionaryEnumerator GetEnumerator();

		/// <summary>Removes the element with the specified key from the <see cref="T:System.Collections.IDictionary" /> object.</summary>
		/// <param name="key">The key of the element to remove.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="key" /> is <see langword="null" />.</exception>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.IDictionary" /> object is read-only.  
		///  -or-  
		///  The <see cref="T:System.Collections.IDictionary" /> has a fixed size.</exception>
		// Token: 0x06002E88 RID: 11912
		[Token(Token = "0x6002E88")]
		[Address(Slot = "10")]
		void Remove(object key);
	}
}