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interface IPipe
{
    Type StateType { get; }
    Type[] InputMessageTypes { get; }
    IPipeOutput Transform(object message, object state);
}

public interface IPipeOutput
{
    object[] Messages { get; }

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public interface IHandler<TMessage>
{
    string StateKey(TMessage message);
    HandlerResult Handle(TMessage message, object state);
}

public class HandlerResult
{
    public object State { get; set; }
    public IEnumerable<object> Messages { get; set; }

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var authContext = new AuthenticationContext({
  // ...
});

// Our custom asynchronous login function. Uses authContext.config.displayCall
// to show the Azure AD login page in a popup window, then periodically checks
// the popup window for the resulting hash + uses adal.js to handle it.
// For this to work, we need a dummy landing page to use as redirectUri.
// This can be an empty HTML page, but needs to have the same origin as the
// main window.

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// Notification shims for Dynamics CRM 2011 (both pre and post UR12).
// The API is identical to the native (supported) notifications in
// Dynamics CRM 2013. Please note that calling undocumented JavaScript functions
// is not officially supported by Microsoft, which makes these shims
// "unsupported". But since the API is compatible with 2013 the upgrade path
// is straightforward (just remove the code completely, or leave them if you
// prefer - either should be fine).
if (typeof(Xrm.Page.ui.clearFormNotification) === "undefined") {
    Xrm.Page.ui.clearFormNotification= function(messageId) {
        var crmNotifications = 

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(function (ko, undefined) {

    ko.observable.fn.withValidation = function () {
        var observable = this;
        observable.Errors = ko.observableArray();
        observable.HasErrors = ko.computed(function () {
            return observable.Errors().length > 0;
        });
        return observable;
    };

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SetValidationResult: function (viewModel, modelState) {

    var trySetErrors = function (modelStateKey, modelStateErrors) {
        var keySeparator = new RegExp("[.\\[\\]]+");
        var propertyChain = modelStateKey.split(keySeparator);
        var currentObject = viewModel;
        var currentPropertyName = propertyChain.shift();
        var targetObject = null;
        while (currentObject && currentObject[currentPropertyName]) {

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/// <summary>
/// Simplifies the structure of a ModelStateDictionary instance to a "key => [ "error1", "error2", ... "errorN" ]" dictionary.
/// Also removes entries with no error messages.
/// </summary>
/// <param name="modelState"></param>
/// <returns></returns>
public static Dictionary<string, string[]> Simplify(this ModelStateDictionary modelState)
{
    return modelState.ToDictionary(
        entry => entry.Key, 

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public class TypeStampedModelBinder : DefaultModelBinder
{
    public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
    {
        if (typeof(ITypeStamped).IsAssignableFrom(bindingContext.ModelType))
        {
            // Handle type-stamped model
            var prefix = bindingContext.ModelName;
            if (bindingContext.ValueProvider.ContainsPrefix(prefix))
            {

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(function (lab, $, undefined) {

    lab.Utils = new (function () {
        return {
            UpdateValidationErrors: function (viewModel, modelState) {
                var keySeparator = new RegExp("[.\\[\\]]+");
                for (var key in modelState) {
                    if (!modelState[key]) {
                        continue;
                    }

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using System;
using System.IO;
using System.Web.Mvc;
using System.Web;

namespace Example.Web.Helpers
{
    public static class UrlHelperExtensions
    {
        /// <summary>