public void ConfigureServices(IServiceCollection services) {
    /* ... */
    services.Configure<HardCodedAuthenticationOptions>(options => {
        options.Claims.Add(new Claim(ClaimTypes.Name, "Hard Coded User"));
        options.Claims.Add(new Claim(ClaimTypes.Email, "hardcodeduser@example.com"));
        options.Claims.Add(new Claim(ClaimTypes.StreetAddress, "123 Sesame Street"));
        options.Claims.Add(new Claim(ClaimTypes.HomePhone, "555-867-5309"));
        options.AutomaticAuthentication = true;
    });
    /* ... */
}
    
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerfactory) {
    /* ... */
    if (env.IsEnvironment("Development")) {
        app.UseHardCodedAuthentication();
    } else {
        // Add authentication middleware to the request pipeline. You can configure options such as Id and Secret in the ConfigureServices method.
        // For more information see http://go.microsoft.com/fwlink/?LinkID=532715
        // app.UseFacebookAuthentication();
        // app.UseGoogleAuthentication();
        // app.UseMicrosoftAccountAuthentication();
        // app.UseTwitterAuthentication();
    }
    /* ... */
}