在公共类ApplicationUser上按下F12按钮时，此代码包含的内容：IdentityUser

Question

当我按下F12按钮IdentityUser时，此代码包含的内容。

 #region Assembly Microsoft.AspNet.Identity.EntityFramework.dll, v1.0.0.0
    // E:\10-31\test\System\packages\Microsoft.AspNet.Identity.EntityFramework.1.0.0\lib\net45\Microsoft.AspNet.Identity.EntityFramework.dll
    #endregion

    using Microsoft.AspNet.Identity;
    using System;
    using System.Collections.Generic;

    namespace Microsoft.AspNet.Identity.EntityFramework
    {
        public class IdentityUser : IUser
        {
            public IdentityUser();
            public IdentityUser(string userName);

            public virtual ICollection<IdentityUserClaim> Claims { get; }
            public virtual string Id { get; set; }
            public virtual ICollection<IdentityUserLogin> Logins { get; }
            public virtual string PasswordHash { get; set; }
            public virtual ICollection<IdentityUserRole> Roles { get; }
            public virtual string SecurityStamp { get; set; }
            public virtual string UserName { get; set; }
        }
    }

当我按下F12按钮IdentityUser时，此代码包含的内容。