ln.identities/IIdentityProvider.cs

using System;
using System.Collections.Generic;
namespace ln.identities
{
    public interface IIdentityProvider
    {
        IEnumerable<KeyValuePair<Guid, string>> GetIdentities();

        Identity GetIdentity(Guid uniqueID);
        Identity GetIdentity(string identityName);

        Identity CreateIdentity(string identityName);

        bool Save(Identity identity);

        Identity Authenticate(AuthenticationProve authenticationProve);

        AssignedRoles GetAssignedRoles(Identity identity);
        IEnumerable<RoleAssignment> GetRoleAssignments(Identity identity);
    }
}