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Я не получаю undefined для своего this.styleguideNotes.count я устанавливаю его на длину объекта массива, а также устанавливаю значение 0 в классе экспорта.

тс

 export class ArchiveAgentDialogComponent implements AfterViewInit{    private $modalDialogContainer: JQuery;  private currentAgentInformations: AgentInformationModel;   relatedTemplates: RelatedTemplatesModel;   styleguideNotes: StyleGuideNoteModel;   get isArchiveValid(): boolean {  console.log(this.relatedTemplates.count);  console.log(this.styleguideNotes.count);  return (this.relatedTemplates.count == 0 ? true : false);  }   constructor(  @Inject(ElementRef) private elementRef: ElementRef,  @Inject(AgentManager) private agentManager: AgentManager,  @Inject(FormBuilder) fb: FormBuilder) {  this.agentForm = fb.group({  agentName: ["", Validators.compose([Validators.required, Validators.maxLength(128)])],  tallmanStyleName: ["", Validators.maxLength(255)],  brandNames: ["", Validators.maxLength(1024)]  });   this.resetRelatedTemplatesModel();  this.resetStyleGuideNoteModel();  }   private refreshStyleguideNoteModel() {  console.log('refreshStyleguideNoteModel');  this.agentManager.getStyleGuideByAgentId(this.model.Id)  .then(response =gt; {  if (response.isSuccess) {  var countKey = Object.keys(response.responseObject).length;  this.styleguideNotes.count = countKey;  this.styleguideNotes = response.responseObject;  }  else {  console.log("Failed to complete the operation. Please contact administrator for assistance");  }  });  }    export class StyleGuideNoteModel {  count = 0;  StyleGuideNote: any[];  section: string;   AgentType: string;   }