How to use the typedjson.jsonArrayMember function in typedjson

@jsonObject
export class BcfTopicResource {

  @jsonMember
  guid:string;

  @jsonMember
  topic_type:string;

  @jsonMember
  topic_status:string;

  @jsonMember
  priority:string;

  @jsonArrayMember(String)
  reference_links:string[];

  @jsonMember
  title:string;

  @jsonMember({ preserveNull: true })
  index:number|null;

  @jsonArrayMember(String)
  labels:string[];

  @jsonMember({ deserializer: value => moment(value), serializer: (timestamp:Moment) => timestamp.toISOString() })
  creation_date:Moment;

  @jsonMember
  creation_author:string;

import { jsonArrayMember, jsonObject } from "typedjson";

@jsonObject
export class BcfExtensionResource {

  @jsonArrayMember(String)
  topic_actions:string[];

  @jsonArrayMember(String)
  project_actions:string[];

  @jsonArrayMember(String)
  comment_actions:string[];
}