How to use RemoteObject class of PuppeteerSharp.Messaging package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Messaging.RemoteObject

JSHandle.cs

Source:JSHandle.cs Github

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...15 {16 ExecutionContext = context;17 Client = client;18 Logger = Client.Connection.LoggerFactory.CreateLogger(GetType());19 RemoteObject = remoteObject;20 }21 /// <summary>22 /// Gets the execution context.23 /// </summary>24 /// <value>The execution context.</value>25 public ExecutionContext ExecutionContext { get; }26 /// <summary>27 /// Gets or sets a value indicating whether this <see cref="JSHandle"/> is disposed.28 /// </summary>29 /// <value><c>true</c> if disposed; otherwise, <c>false</c>.</value>30 public bool Disposed { get; private set; }31 /// <summary>32 /// Gets or sets the remote object.33 /// </summary>34 /// <value>The remote object.</value>35 public JToken RemoteObject { get; }36 /// <summary>37 /// Gets the client.38 /// </summary>39 /// <value>The client.</value>40 protected CDPSession Client { get; }41 /// <summary>42 /// Gets the logger.43 /// </summary>44 /// <value>The logger.</value>45 protected ILogger Logger { get; }46 /// <summary>47 /// Fetches a single property from the referenced object48 /// </summary>49 /// <param name="propertyName">property to get</param>50 /// <returns>Task of <see cref="JSHandle"/></returns>51 public async Task<JSHandle> GetPropertyAsync(string propertyName)52 {53 var objectHandle = await ExecutionContext.EvaluateFunctionHandleAsync(@"(object, propertyName) => {54 const result = { __proto__: null};55 result[propertyName] = object[propertyName];56 return result;57 }", this, propertyName).ConfigureAwait(false);58 var properties = await objectHandle.GetPropertiesAsync().ConfigureAwait(false);59 properties.TryGetValue(propertyName, out var result);60 await objectHandle.DisposeAsync().ConfigureAwait(false);61 return result;62 }63 /// <summary>64 /// Returns a <see cref="Dictionary{TKey, TValue}"/> with property names as keys and <see cref="JSHandle"/> instances for the property values.65 /// </summary>66 /// <returns>Task which resolves to a <see cref="Dictionary{TKey, TValue}"/></returns>67 /// <example>68 /// <code>69 /// var handle = await page.EvaluateExpressionHandle("({window, document})");70 /// var properties = await handle.GetPropertiesAsync();71 /// var windowHandle = properties["window"];72 /// var documentHandle = properties["document"];73 /// await handle.DisposeAsync();74 /// </code>75 /// </example>76 public async Task<Dictionary<string, JSHandle>> GetPropertiesAsync()77 {78 var response = await Client.SendAsync("Runtime.getProperties", new79 {80 objectId = RemoteObject[MessageKeys.ObjectId].AsString(),81 ownProperties = true82 }).ConfigureAwait(false);83 var result = new Dictionary<string, JSHandle>();84 foreach (var property in response[MessageKeys.Result])85 {86 if (property[MessageKeys.Enumerable] == null)87 {88 continue;89 }90 result.Add(property[MessageKeys.Name].AsString(), ExecutionContext.CreateJSHandle(property[MessageKeys.Value]));91 }92 return result;93 }94 /// <summary>95 /// Returns a JSON representation of the object96 /// </summary>97 /// <returns>Task</returns>98 /// <remarks>99 /// The method will return an empty JSON if the referenced object is not stringifiable. It will throw an error if the object has circular references100 /// </remarks>101 public async Task<object> JsonValueAsync() => await JsonValueAsync<object>().ConfigureAwait(false);102 /// <summary>103 /// Returns a JSON representation of the object104 /// </summary>105 /// <typeparam name="T">A strongly typed object to parse to</typeparam>106 /// <returns>Task</returns>107 /// <remarks>108 /// The method will return an empty JSON if the referenced object is not stringifiable. It will throw an error if the object has circular references109 /// </remarks>110 public async Task<T> JsonValueAsync<T>()111 {112 var objectId = RemoteObject[MessageKeys.ObjectId];113 if (objectId != null)114 {115 var response = await Client.SendAsync("Runtime.callFunctionOn", new Dictionary<string, object>116 {117 ["functionDeclaration"] = "function() { return this; }",118 [MessageKeys.ObjectId] = objectId,119 ["returnByValue"] = true,120 ["awaitPromise"] = true121 }).ConfigureAwait(false);122 return (T)RemoteObjectHelper.ValueFromRemoteObject<T>(response[MessageKeys.Result]);123 }124 return (T)RemoteObjectHelper.ValueFromRemoteObject<T>(RemoteObject);125 }126 /// <summary>127 /// Disposes the Handle. It will mark the JSHandle as disposed and release the <see cref="JSHandle.RemoteObject"/>128 /// </summary>129 /// <returns>The async.</returns>130 public async Task DisposeAsync()131 {132 if (Disposed)133 {134 return;135 }136 Disposed = true;137 await RemoteObjectHelper.ReleaseObject(Client, RemoteObject, Logger).ConfigureAwait(false);138 }139 /// <inheritdoc/>140 public override string ToString()141 {142 if ((RemoteObject)[MessageKeys.ObjectId] != null)143 {144 var type = RemoteObject[MessageKeys.Subtype] ?? RemoteObject[MessageKeys.Type];145 return "JSHandle@" + type;146 }147 return "JSHandle:" + RemoteObjectHelper.ValueFromRemoteObject<object>(RemoteObject)?.ToString();148 }149 internal object FormatArgument(ExecutionContext context)150 {151 if (ExecutionContext != context)152 {153 throw new PuppeteerException("JSHandles can be evaluated only in the context they were created!");154 }155 if (Disposed)156 {157 throw new PuppeteerException("JSHandle is disposed!");158 }159 var unserializableValue = RemoteObject[MessageKeys.UnserializableValue];160 if (unserializableValue != null)161 {162 return unserializableValue;163 }164 if (RemoteObject[MessageKeys.ObjectId] == null)165 {166 var value = RemoteObject[MessageKeys.Value];167 return new { value };168 }169 var objectId = RemoteObject[MessageKeys.ObjectId];170 return new { objectId };171 }172 }173}...

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Worker.cs

Source:Worker.cs Github

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...26 private ExecutionContext _executionContext;27 // private readonly Func<ConsoleType, JSHandle[], StackTrace, Task> _consoleAPICalled;28 private readonly Action<EvaluateExceptionResponseDetails> _exceptionThrown;29 private readonly TaskCompletionSource<ExecutionContext> _executionContextCallback;30 private Func<ExecutionContext, RemoteObject, JSHandle> _jsHandleFactory;31 internal Worker(32 CDPSession client,33 string url,34 Func<ConsoleType, JSHandle[], Task> consoleAPICalled,35 Action<EvaluateExceptionResponseDetails> exceptionThrown)36 {37 _client = client;38 Url = url;39 _exceptionThrown = exceptionThrown;40 _client.MessageReceived += OnMessageReceived;41 _executionContextCallback = new TaskCompletionSource<ExecutionContext>(TaskCreationOptions.RunContinuationsAsynchronously);42 _ = _client.SendAsync("Runtime.enable").ContinueWith(task =>43 {44 });...

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RemoteObjectHelper.cs

Source:RemoteObjectHelper.cs Github

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...6using PuppeteerSharp.Helpers.Json;7using System.Numerics;8namespace PuppeteerSharp.Helpers9{10 internal class RemoteObjectHelper11 {12 internal static object ValueFromRemoteObject<T>(RemoteObject remoteObject)13 {14 var unserializableValue = remoteObject.UnserializableValue;15 if (unserializableValue != null)16 {17 return ValueFromUnserializableValue(remoteObject, unserializableValue);18 }19 var value = remoteObject.Value;20 if (value == null)21 {22 return default(T);23 }24 return typeof(T) == typeof(JToken) ? value : ValueFromType<T>(value, remoteObject.Type);25 }26 private static object ValueFromType<T>(JToken value, RemoteObjectType objectType)27 {28 switch (objectType)29 {30 case RemoteObjectType.Object:31 return value.ToObject<T>(true);32 case RemoteObjectType.Undefined:33 return null;34 case RemoteObjectType.Number:35 return value.Value<T>();36 case RemoteObjectType.Boolean:37 return value.Value<bool>();38 case RemoteObjectType.Bigint:39 return value.Value<double>();40 default: // string, symbol, function41 return value.ToObject<T>();42 }43 }44 private static object ValueFromUnserializableValue(RemoteObject remoteObject, string unserializableValue)45 {46 if (remoteObject.Type == RemoteObjectType.Bigint &&47 decimal.TryParse(remoteObject.UnserializableValue.Replace("n", ""), out var decimalValue))48 {49 return new BigInteger(decimalValue);50 }51 switch (unserializableValue)52 {53 case "-0":54 return -0;55 case "NaN":56 return double.NaN;57 case "Infinity":58 return double.PositiveInfinity;59 case "-Infinity":60 return double.NegativeInfinity;61 default:62 throw new Exception("Unsupported unserializable value: " + unserializableValue);63 }64 }65 internal static async Task ReleaseObjectAsync(CDPSession client, RemoteObject remoteObject, ILogger logger)66 {67 if (remoteObject.ObjectId == null)68 {69 return;70 }71 try72 {73 await client.SendAsync("Runtime.releaseObject", new RuntimeReleaseObjectRequest74 {75 ObjectId = remoteObject.ObjectId76 }).ConfigureAwait(false);77 }78 catch (Exception ex)79 {...

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ElementHandle.cs

Source:ElementHandle.cs Github

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...9 {10 internal ElementHandle(11 ExecutionContext context,12 CDPSession client,13 RemoteObject remoteObject)14 : base(context, client, remoteObject) { }15 }16}...

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EvaluateHandleResponse.cs

Source:EvaluateHandleResponse.cs Github

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...3{4 internal class EvaluateHandleResponse5 {6 public EvaluateExceptionResponseDetails ExceptionDetails { get; set; }7 public RemoteObject Result { get; set; }8 }9}...

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RuntimeQueryObjectsResponse.cs

Source:RuntimeQueryObjectsResponse.cs Github

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2namespace PuppeteerSharp.Messaging3{4 internal class RuntimeQueryObjectsResponse5 {6 public RemoteObject Objects { get; set; }7 }8}...

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RuntimeCallFunctionOnResponse.cs

Source:RuntimeCallFunctionOnResponse.cs Github

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1namespace PuppeteerSharp.Messaging2{3 internal class RuntimeCallFunctionOnResponse4 {5 public RemoteObject Result { get; set; }6 }7}...

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DomResolveNodeResponse.cs

Source:DomResolveNodeResponse.cs Github

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1namespace PuppeteerSharp.Messaging2{3 internal class DomResolveNodeResponse4 {5 public RemoteObject Object { get; set; }6 }7}...

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RemoteObject

Using AI Code Generation

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1using PuppeteerSharp.Messaging;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var browser = await Puppeteer.LaunchAsync();9 var page = await browser.NewPageAsync();10 var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");11 var remoteObject1 = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");12 Console.WriteLine("Hello World!");13 }14 }15}16using PuppeteerSharp.Messaging;17using System;18using System.Threading.Tasks;19{20 {21 static async Task Main(string[] args)22 {23 var browser = await Puppeteer.LaunchAsync();24 var page = await browser.NewPageAsync();25 var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");26 var remoteObject1 = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");27 Console.WriteLine("Hello World!");28 }29 }30}31at PuppeteerSharp.Page.EvaluateExpressionHandleAsync(String pageFunction, Object[] args) in D:\a\1\s\lib\PuppeteerSharp\Page.cs:line 755

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RemoteObject

Using AI Code Generation

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1using PuppeteerSharp.Messaging;2using PuppeteerSharp;3using System.Threading.Tasks;4using System;5using System.Collections.Generic;6{7 {8 public string Type { get; set; }9 public string Subtype { get; set; }10 public string ClassName { get; set; }11 public string Description { get; set; }12 public bool? UnserializableValue { get; set; }13 public object Value { get; set; }14 public object Preview { get; set; }15 public string ObjectId { get; set; }16 public string CustomPreview { get; set; }17 public string CustomPreviewObjectId { get; set; }18 public string CustomPreviewObjectSubtype { get; set; }19 public string CustomPreviewObjectDescription { get; set; }20 public string CustomPreviewObjectValue { get; set; }21 public string CustomPreviewObjectUnserializableValue { get; set; }22 public string CustomPreviewObjectPreview { get; set; }23 public string CustomPreviewObjectCustomPreview { get; set; }24 public string CustomPreviewObjectCustomPreviewObjectId { get; set; }25 public string CustomPreviewObjectCustomPreviewObjectSubtype { get; set; }26 public string CustomPreviewObjectCustomPreviewObjectDescription { get; set; }27 public string CustomPreviewObjectCustomPreviewObjectValue { get; set; }28 public string CustomPreviewObjectCustomPreviewObjectUnserializableValue { get; set; }29 public string CustomPreviewObjectCustomPreviewObjectPreview { get; set; }30 public string CustomPreviewObjectCustomPreviewObjectCustomPreview { get; set; }31 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectId { get; set; }32 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectSubtype { get; set; }33 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectDescription { get; set; }34 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectValue { get; set; }35 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectUnserializableValue { get; set; }36 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectPreview { get; set; }37 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectCustomPreview { get; set; }38 public string CustomPreviewObjectCustomPreviewObjectCustomPreviewObjectCustomPreviewObjectId {

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RemoteObject

Using AI Code Generation

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1var remoteObject = new RemoteObject();2remoteObject.Type = "string";3remoteObject.Value = "Hello World";4var message = new Message();5message.Method = "Runtime.evaluate";6message.Params = new Dictionary<string, object>();7message.Params.Add("expression", "console.log('Hello World')");8message.Params.Add("returnByValue", true);9message.Params.Add("awaitPromise", true);10message.Params.Add("contextId", 1);11message.Params.Add("objectGroup", "console");12message.Params.Add("includeCommandLineAPI", true);13message.Params.Add("userGesture", true);14message.Params.Add("awaitPromise", true);15message.Params.Add("returnByValue", true);16message.Params.Add("generatePreview", true);17message.Params.Add("silent", true);18message.Params.Add("throwOnSideEffect", true);19message.Params.Add("timeout", 1000);20message.Params.Add("disableBreaks", true);21message.Params.Add("replMode", true);22message.Params.Add("allowUnsafeEvalBlockedByCSP", true);23message.Params.Add("allowHeterogeneous", true);24message.Params.Add("allowReturnByValue", true);25message.Params.Add("doNotPauseOnExceptionsAndMuteConsole", true);26message.Params.Add("returnByValue", true);27message.Params.Add("generatePreview", true);28message.Params.Add("silent", true);29message.Params.Add("throwOnSideEffect", true);30message.Params.Add("timeout", 1000);31message.Params.Add("disableBreaks", true);32message.Params.Add("replMode", true);33message.Params.Add("allowUnsafeEvalBlockedByCSP", true);34message.Params.Add("allowHeterogeneous", true);35message.Params.Add("allowReturnByValue", true);36message.Params.Add("doNotPauseOnExceptionsAndMuteConsole", true);37message.Params.Add("returnByValue", true);38message.Params.Add("generatePreview", true);39message.Params.Add("silent", true);40message.Params.Add("throwOnSideEffect", true);41message.Params.Add("timeout", 1000);42message.Params.Add("disableBreaks", true);43message.Params.Add("replMode", true);44message.Params.Add("allowUnsafeEvalBlockedByCSP", true);45message.Params.Add("allowHeterogeneous", true);46message.Params.Add("allowReturnByValue", true);47message.Params.Add("doNotPauseOnExceptionsAndMuteConsole", true);48message.Params.Add("returnByValue", true);

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RemoteObject

Using AI Code Generation

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1var remoteObject = new RemoteObject();2remoteObject.Type = "string";3remoteObject.Value = "some value";4var cdpMessage = new CDPMessage();5cdpMessage.Method = "Page.navigate";6cdpMessage.Params = new Dictionary<string, object>();7var cdpRequest = new CDPRequest();8cdpRequest.Id = 1;9cdpRequest.Method = "Page.navigate";10cdpRequest.Params = new Dictionary<string, object>();11var remoteObject = new RemoteObject();12remoteObject.Type = "string";13remoteObject.Value = "some value";14var cdpMessage = new CDPMessage();15cdpMessage.Method = "Page.navigate";16cdpMessage.Params = new Dictionary<string, object>();17var cdpRequest = new CDPRequest();18cdpRequest.Id = 1;19cdpRequest.Method = "Page.navigate";20cdpRequest.Params = new Dictionary<string, object>();21var remoteObject = new RemoteObject();22remoteObject.Type = "string";23remoteObject.Value = "some value";24var cdpMessage = new CDPMessage();25cdpMessage.Method = "Page.navigate";26cdpMessage.Params = new Dictionary<string, object>();27var cdpRequest = new CDPRequest();28cdpRequest.Id = 1;29cdpRequest.Method = "Page.navigate";30cdpRequest.Params = new Dictionary<string, object>();

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RemoteObject

Using AI Code Generation

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1var remoteObject = new RemoteObject();2remoteObject.Type = "object";3remoteObject.Subtype = "node";4remoteObject.Value = "element";5remoteObject.UnserializableValue = "node";6remoteObject.ObjectId = "node";7remoteObject.Description = "node";8remoteObject.CustomPreview = new CustomPreview();9remoteObject.CustomPreview.Header = "node";10remoteObject.CustomPreview.HasBody = true;11remoteObject.CustomPreview.HasObjectId = true;12remoteObject.CustomPreview.BodyGetterId = "node";13remoteObject.CustomPreview.ConfigObjectId = "node";14remoteObject.CustomPreview.Footer = "node";15var remoteObject1 = new RemoteObject();16remoteObject1.Type = "object";17remoteObject1.Subtype = "node";18remoteObject1.Value = "element";19remoteObject1.UnserializableValue = "node";20remoteObject1.ObjectId = "node";21remoteObject1.Description = "node";22remoteObject1.CustomPreview = new CustomPreview();23remoteObject1.CustomPreview.Header = "node";24remoteObject1.CustomPreview.HasBody = true;25remoteObject1.CustomPreview.HasObjectId = true;26remoteObject1.CustomPreview.BodyGetterId = "node";27remoteObject1.CustomPreview.ConfigObjectId = "node";28remoteObject1.CustomPreview.Footer = "node";29var remoteObject2 = new RemoteObject();30remoteObject2.Type = "object";31remoteObject2.Subtype = "node";32remoteObject2.Value = "element";33remoteObject2.UnserializableValue = "node";34remoteObject2.ObjectId = "node";35remoteObject2.Description = "node";36remoteObject2.CustomPreview = new CustomPreview();37remoteObject2.CustomPreview.Header = "node";38remoteObject2.CustomPreview.HasBody = true;39remoteObject2.CustomPreview.HasObjectId = true;40remoteObject2.CustomPreview.BodyGetterId = "node";41remoteObject2.CustomPreview.ConfigObjectId = "node";42remoteObject2.CustomPreview.Footer = "node";43var remoteObject3 = new RemoteObject();44remoteObject3.Type = "object";45remoteObject3.Subtype = "node";46remoteObject3.Value = "element";47remoteObject3.UnserializableValue = "node";48remoteObject3.ObjectId = "node";49remoteObject3.Description = "node";50remoteObject3.CustomPreview = new CustomPreview();51remoteObject3.CustomPreview.Header = "node";52remoteObject3.CustomPreview.HasBody = true;53remoteObject3.CustomPreview.HasObjectId = true;

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RemoteObject

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Messaging;4{5 {6 public RemoteObject(string type, string subtype, object value, string description, bool? unserializableValue, RemoteObject objectId, RemoteObject preview, RemoteObject unserializableDescription)7 {8 Type = type;9 Subtype = subtype;10 Value = value;11 Description = description;12 UnserializableValue = unserializableValue;13 ObjectId = objectId;14 Preview = preview;15 UnserializableDescription = unserializableDescription;16 }17 public string Type { get; }18 public string Subtype { get; }19 public object Value { get; }20 public string Description { get; }21 public bool? UnserializableValue { get; }22 public RemoteObject ObjectId { get; }23 public RemoteObject Preview { get; }24 public RemoteObject UnserializableDescription { get; }25 public async Task<T> GetObjectAsync<T>(CDPSession client)26 {27 var objectId = ObjectId?.ObjectId;28 if (objectId == null)29 {30 return default(T);31 }32 var response = await client.SendAsync(new RuntimeCallFunctionOnRequest33 {34 FunctionDeclaration = "function() { return this; }",35 }).ConfigureAwait(false);36 return response.Deserialize<T>();37 }38 public async Task<T> GetObjectAsync<T>(ExecutionContext context)39 {40 var objectId = ObjectId?.ObjectId;41 if (objectId == null)42 {43 return default(T);44 }45 var response = await context.Client.SendAsync(new RuntimeCallFunctionOnRequest46 {47 FunctionDeclaration = "function() { return this; }",48 }).ConfigureAwait(false);49 return response.Deserialize<T>();50 }51 public async Task<T> GetObjectAsync<T>(Frame frame)52 {53 var objectId = ObjectId?.ObjectId;54 if (objectId == null)55 {56 return default(T);57 }58 var response = await frame.EvaluateFunctionAsync<T>("function() { return this; }").ConfigureAwait(false);59 return response;60 }61 public async Task<T> GetObjectAsync<T>(Page page)62 {63 var objectId = ObjectId?.ObjectId;64 if (

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