docs: public AdminGetUserResult withMFAOptions(MFAOptionType... mFAOptions) {
          if (this.mFAOptions == null) {
              setMFAOptions(new java.util.ArrayList<MFAOptionType>(mFAOptions.length));
          }
          for (MFAOptionType ele : mFAOptions) {
              this.mFAOptions.add(ele);
          }
          return this;
      }