using System;

namespace System.Collections.Generic
{
	/// <summary>Defines methods to manipulate generic collections.</summary>
	/// <typeparam name="T">The type of the elements in the collection.</typeparam>
	/// <filterpriority>1</filterpriority>
	// Token: 0x02000030 RID: 48
	public interface ICollection<T> : IEnumerable, IEnumerable<T>
	{
		/// <summary>Gets the number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
		/// <returns>The number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1" />.</returns>
		// Token: 0x17000026 RID: 38
		// (get) Token: 0x060004B2 RID: 1202
		int Count { get; }

		/// <summary>Gets a value indicating whether the <see cref="T:System.Collections.Generic.ICollection`1" /> is read-only.</summary>
		/// <returns>true if the <see cref="T:System.Collections.Generic.ICollection`1" /> is read-only; otherwise, false.</returns>
		// Token: 0x17000027 RID: 39
		// (get) Token: 0x060004B3 RID: 1203
		bool IsReadOnly { get; }

		/// <summary>Adds an item to the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
		/// <param name="item">The object to add to the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1" /> is read-only.</exception>
		// Token: 0x060004B4 RID: 1204
		void Add(T item);

		/// <summary>Removes all items from the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1" /> is read-only. </exception>
		// Token: 0x060004B5 RID: 1205
		void Clear();

		/// <summary>Determines whether the <see cref="T:System.Collections.Generic.ICollection`1" /> contains a specific value.</summary>
		/// <returns>true if <paramref name="item" /> is found in the <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, false.</returns>
		/// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
		// Token: 0x060004B6 RID: 1206
		bool Contains(T item);

		/// <summary>Copies the elements of the <see cref="T:System.Collections.Generic.ICollection`1" /> to an <see cref="T:System.Array" />, starting at a particular <see cref="T:System.Array" /> index.</summary>
		/// <param name="array">The one-dimensional <see cref="T:System.Array" /> that is the destination of the elements copied from <see cref="T:System.Collections.Generic.ICollection`1" />. The <see cref="T:System.Array" /> must have zero-based indexing.</param>
		/// <param name="arrayIndex">The zero-based index in <paramref name="array" /> at which copying begins.</param>
		/// <exception cref="T:System.ArgumentNullException">
		///   <paramref name="array" /> is null.</exception>
		/// <exception cref="T:System.ArgumentOutOfRangeException">
		///   <paramref name="arrayIndex" /> is less than 0.</exception>
		/// <exception cref="T:System.ArgumentException">The number of elements in the source <see cref="T:System.Collections.Generic.ICollection`1" /> is greater than the available space from <paramref name="arrayIndex" /> to the end of the destination <paramref name="array" />.</exception>
		// Token: 0x060004B7 RID: 1207
		void CopyTo(T[] array, int arrayIndex);

		/// <summary>Removes the first occurrence of a specific object from the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
		/// <returns>true if <paramref name="item" /> was successfully removed from the <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, false. This method also returns false if <paramref name="item" /> is not found in the original <see cref="T:System.Collections.Generic.ICollection`1" />.</returns>
		/// <param name="item">The object to remove from the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
		/// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1" /> is read-only.</exception>
		// Token: 0x060004B8 RID: 1208
		bool Remove(T item);
	}
}