text: export class HttpOptions {
    constructor(url = null, body = null, headers = null) {
      this.url = url;
      this.body = body;
      this.params = null;
      this.headers = headers;
      this.skipValidation = false;
      this.success = null;
      this.fail = null;
    }
  }
  
  export class HttpHeader {
    constructor(name, value) {
      this.name = name;
      this.value = value;
    }
  }
  