using System;
using System.Runtime.InteropServices;

namespace System.Security.Permissions
{
	/// <summary>Specifies access to environment variables.</summary>
	// Token: 0x0200053F RID: 1343
	[Flags]
	[ComVisible(true)]
	[Serializable]
	public enum EnvironmentPermissionAccess
	{
		/// <summary>No access to environment variables. <see cref="F:System.Security.Permissions.EnvironmentPermissionAccess.NoAccess" /> represents no valid <see cref="T:System.Security.Permissions.EnvironmentPermissionAccess" /> values and causes an <see cref="T:System.ArgumentException" /> when used as the parameter for <see cref="M:System.Security.Permissions.EnvironmentPermission.GetPathList(System.Security.Permissions.EnvironmentPermissionAccess)" />, which expects a single value.</summary>
		// Token: 0x04001411 RID: 5137
		NoAccess = 0,
		/// <summary>Only read access to environment variables is specified. Changing, deleting and creating environment variables is not included in this access level.</summary>
		// Token: 0x04001412 RID: 5138
		Read = 1,
		/// <summary>Only write access to environment variables is specified. Write access includes creating and deleting environment variables as well as changing existing values. Reading environment variables is not included in this access level.</summary>
		// Token: 0x04001413 RID: 5139
		Write = 2,
		/// <summary>
		///   <see cref="F:System.Security.Permissions.EnvironmentPermissionAccess.Read" /> and <see cref="F:System.Security.Permissions.EnvironmentPermissionAccess.Write" /> access to environment variables. <see cref="F:System.Security.Permissions.EnvironmentPermissionAccess.AllAccess" /> represents multiple <see cref="T:System.Security.Permissions.EnvironmentPermissionAccess" /> values and causes an <see cref="T:System.ArgumentException" /> when used as the <paramref name="flag" /> parameter for the <see cref="M:System.Security.Permissions.EnvironmentPermission.GetPathList(System.Security.Permissions.EnvironmentPermissionAccess)" /> method, which expects a single value.</summary>
		// Token: 0x04001414 RID: 5140
		AllAccess = 3
	}
}